diff --git a/.gitignore b/.gitignore
index 9f04a5ed6..06b207bf7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,17 +14,16 @@ target/
*.pdb
# Default database location for the ledger
-ledger.db
+/*ledger.db/
# Default database location for the consensus
-chain.db
+/*chain.db/
# Insta not-yet reviewed snapshots
*.snap.new
# Files downloaded for the demo
-snapshots/
-!crates/amaru/tests/snapshots
+/snapshots/
# Files for local coverage reports
coverage/
@@ -36,3 +35,6 @@ coverage/
# option (not recommended) you can uncomment the following to ignore the entire idea folder.
.idea/
*~
+
+# Cardano node support files
+/cardano-node-config/
diff --git a/Cargo.lock b/Cargo.lock
index 436895921..4398e88e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,20 @@
# It is not intended for manual editing.
version = 4
+[[package]]
+name = "acto"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52632fc65e2b2dac7eb4f62e94c494a48ceecc8d2b81c5748dd19694850b548b"
+dependencies = [
+ "parking_lot",
+ "pin-project-lite",
+ "rustc_version",
+ "smol_str",
+ "tokio",
+ "tracing",
+]
+
[[package]]
name = "addr2line"
version = "0.24.2"
@@ -30,6 +44,7 @@ dependencies = [
name = "amaru"
version = "0.1.0"
dependencies = [
+ "acto",
"amaru-consensus",
"amaru-kernel",
"amaru-ledger",
@@ -44,6 +59,7 @@ dependencies = [
"indicatif",
"indoc",
"insta",
+ "minicbor",
"opentelemetry",
"opentelemetry-otlp",
"opentelemetry_sdk",
@@ -54,6 +70,8 @@ dependencies = [
"pallas-traverse",
"proptest",
"rand 0.9.0",
+ "serde_json",
+ "slot-arithmetic",
"sysinfo",
"tempfile",
"test-case",
@@ -75,17 +93,20 @@ dependencies = [
"envpath",
"hex",
"insta",
+ "minicbor",
"pallas-codec",
"pallas-crypto",
"pallas-math",
"proptest",
"rand 0.9.0",
"rayon",
+ "serde_json",
"slot-arithmetic",
"tempfile",
"thiserror 2.0.12",
"tokio",
"tracing",
+ "tracing-subscriber",
]
[[package]]
@@ -273,9 +294,9 @@ dependencies = [
[[package]]
name = "anyhow"
-version = "1.0.97"
+version = "1.0.98"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcfed56ad506cb2c684a14971b8861fdc3baaaae314b9e5f9bb532cbe3ba7a4f"
+checksum = "e16d2d3311acee920a9eb8d33b8cbc1787ce4a264e85f964c2404b969bdcd487"
[[package]]
name = "assert-json-diff"
@@ -462,9 +483,9 @@ dependencies = [
[[package]]
name = "cc"
-version = "1.2.17"
+version = "1.2.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fcb57c740ae1daf453ae85f16e37396f672b039e00d9d866e07ddb24e328e3a"
+checksum = "8e3a13707ac958681c13b39b458c073d0d9bc8a22cb1b2f4c8e55eb72c13f362"
dependencies = [
"jobserver",
"libc",
@@ -499,9 +520,9 @@ dependencies = [
[[package]]
name = "clap"
-version = "4.5.35"
+version = "4.5.36"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8aa86934b44c19c50f87cc2790e19f54f7a67aedb64101c2e1a2e5ecfb73944"
+checksum = "2df961d8c8a0d08aa9945718ccf584145eee3f3aa06cddbeac12933781102e04"
dependencies = [
"clap_builder",
"clap_derive",
@@ -509,9 +530,9 @@ dependencies = [
[[package]]
name = "clap_builder"
-version = "4.5.35"
+version = "4.5.36"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2414dbb2dd0695280da6ea9261e327479e9d37b0630f6b53ba2a11c60c679fd9"
+checksum = "132dbda40fb6753878316a489d5a1242a8ef2f0d9e47ba01c951ea8aa7d013a5"
dependencies = [
"anstream",
"anstyle",
@@ -601,9 +622,9 @@ dependencies = [
[[package]]
name = "crossbeam-channel"
-version = "0.5.14"
+version = "0.5.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06ba6d68e24814cb8de6bb986db8222d3a027d15872cabc0d18817bc3c0e4471"
+checksum = "82b8f8f868b36967f9606790d1903570de9ceaf870a7bf9fbbd3016d636a2cb2"
dependencies = [
"crossbeam-utils",
]
@@ -893,9 +914,9 @@ checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
[[package]]
name = "errno"
-version = "0.3.10"
+version = "0.3.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
+checksum = "976dd42dc7e85965fe702eb8164f21f450704bdde31faefd6471dba214cb594e"
dependencies = [
"libc",
"windows-sys 0.59.0",
@@ -1099,9 +1120,9 @@ checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"
[[package]]
name = "h2"
-version = "0.4.8"
+version = "0.4.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5017294ff4bb30944501348f6f8e42e6ad28f42c8bbef7a74029aff064a4e3c2"
+checksum = "75249d144030531f8dee69fe9cea04d3edf809a017ae445e2abdff6629e86633"
dependencies = [
"atomic-waker",
"bytes",
@@ -1109,7 +1130,7 @@ dependencies = [
"futures-core",
"futures-sink",
"http",
- "indexmap 2.8.0",
+ "indexmap 2.9.0",
"slab",
"tokio",
"tokio-util",
@@ -1118,9 +1139,9 @@ dependencies = [
[[package]]
name = "half"
-version = "2.5.0"
+version = "2.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7db2ff139bba50379da6aa0766b52fdcb62cb5b263009b09ed58ba604e14bbd1"
+checksum = "459196ed295495a68f7d7fe1d84f6c4b7ff0e21fe3017b2f283c6fac3ad803c9"
dependencies = [
"cfg-if",
"crunchy",
@@ -1225,9 +1246,9 @@ dependencies = [
[[package]]
name = "hyper-util"
-version = "0.1.10"
+version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df2dcfbe0677734ab2f3ffa7fa7bfd4706bfdc1ef393f2ee30184aed67e631b4"
+checksum = "497bbc33a26fdd4af9ed9c70d63f61cf56a938375fbb32df34db9b1cd6d643f2"
dependencies = [
"bytes",
"futures-channel",
@@ -1235,6 +1256,7 @@ dependencies = [
"http",
"http-body",
"hyper",
+ "libc",
"pin-project-lite",
"socket2",
"tokio",
@@ -1283,9 +1305,9 @@ dependencies = [
[[package]]
name = "icu_locid_transform_data"
-version = "1.5.0"
+version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fdc8ff3388f852bede6b579ad4e978ab004f139284d7b28715f773507b946f6e"
+checksum = "7515e6d781098bf9f7205ab3fc7e9709d34554ae0b21ddbcb5febfa4bc7df11d"
[[package]]
name = "icu_normalizer"
@@ -1307,9 +1329,9 @@ dependencies = [
[[package]]
name = "icu_normalizer_data"
-version = "1.5.0"
+version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8cafbf7aa791e9b22bec55a167906f9e1215fd475cd22adfcf660e03e989516"
+checksum = "c5e8338228bdc8ab83303f16b797e177953730f601a96c25d10cb3ab0daa0cb7"
[[package]]
name = "icu_properties"
@@ -1328,9 +1350,9 @@ dependencies = [
[[package]]
name = "icu_properties_data"
-version = "1.5.0"
+version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67a8effbc3dd3e4ba1afa8ad918d5684b8868b3b26500753effea8d2eed19569"
+checksum = "85fb8799753b75aee8d2a21d7c14d9f38921b54b3dbda10f5a3c7a7b82dba5e2"
[[package]]
name = "icu_provider"
@@ -1393,9 +1415,9 @@ dependencies = [
[[package]]
name = "indexmap"
-version = "2.8.0"
+version = "2.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3954d50fe15b02142bf25d3b8bdadb634ec3948f103d04ffe3031bc8fe9d7058"
+checksum = "cea70ddb795996207ad57735b50c5982d8844f38ba9ee5f1aedcfb708a2aa11e"
dependencies = [
"equivalent",
"hashbrown 0.15.2",
@@ -1488,10 +1510,11 @@ checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
[[package]]
name = "jobserver"
-version = "0.1.32"
+version = "0.1.33"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48d1dbcbbeb6a7fec7e059840aa538bd62aaccf972c7346c4d9d2059312853d0"
+checksum = "38f262f097c174adebe41eb73d66ae9c06b2844fb0da69969647bbddd9b0538a"
dependencies = [
+ "getrandom 0.3.2",
"libc",
]
@@ -1540,9 +1563,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
[[package]]
name = "libc"
-version = "0.2.171"
+version = "0.2.172"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
+checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
[[package]]
name = "libgit2-sys"
@@ -1615,9 +1638,9 @@ checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
[[package]]
name = "linux-raw-sys"
-version = "0.9.3"
+version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe7db12097d22ec582439daf8618b8fdd1a7bef6270e9af3b1ebcd30893cf413"
+checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"
[[package]]
name = "litemap"
@@ -1625,11 +1648,21 @@ version = "0.7.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "23fb14cb19457329c82206317a5663005a4d404783dc74f4252769b0d5f42856"
+[[package]]
+name = "lock_api"
+version = "0.4.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
[[package]]
name = "log"
-version = "0.4.26"
+version = "0.4.27"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30bde2b3dc3671ae49d8e2e9f044c7c005836e7a023ee57cffa25ab82764bb9e"
+checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94"
[[package]]
name = "matchers"
@@ -1681,9 +1714,9 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
[[package]]
name = "miniz_oxide"
-version = "0.8.5"
+version = "0.8.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e3e04debbb59698c15bacbb6d93584a8c0ca9cc3213cb423d31f760d8843ce5"
+checksum = "3be647b768db090acb35d5ec5db2b0e1f1de11133ca123b9eacf5137868f892a"
dependencies = [
"adler2",
]
@@ -1843,9 +1876,9 @@ dependencies = [
[[package]]
name = "once_cell"
-version = "1.21.1"
+version = "1.21.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d75b0bedcc4fe52caa0e03d9f1151a323e4aa5e2d78ba3580400cd3c9e2bc4bc"
+checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
[[package]]
name = "opaque-debug"
@@ -2049,6 +2082,29 @@ dependencies = [
"thiserror 1.0.69",
]
+[[package]]
+name = "parking_lot"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1bf18183cf54e8d6059647fc3063646a1801cf30896933ec2311622cc4b9a27"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.9.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-targets 0.52.6",
+]
+
[[package]]
name = "paste"
version = "1.0.15"
@@ -2126,9 +2182,9 @@ dependencies = [
[[package]]
name = "proc-macro2"
-version = "1.0.94"
+version = "1.0.95"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a31971752e70b8b2686d7e46ec17fb38dad4051d94024c88df49b667caea9c84"
+checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778"
dependencies = [
"unicode-ident",
]
@@ -2295,6 +2351,15 @@ dependencies = [
"crossbeam-utils",
]
+[[package]]
+name = "redox_syscall"
+version = "0.5.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2f103c6d277498fbceb16e84d317e2a400f160f46904d5f5410848c829511a3"
+dependencies = [
+ "bitflags",
+]
+
[[package]]
name = "redox_users"
version = "0.4.6"
@@ -2420,9 +2485,9 @@ dependencies = [
[[package]]
name = "rustix"
-version = "1.0.3"
+version = "1.0.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e56a18552996ac8d29ecc3b190b4fdbb2d91ca4ec396de7bbffaf43f3d637e96"
+checksum = "d97817398dd4bb2e6da002002db259209759911da105da92bec29ccb12cf58bf"
dependencies = [
"bitflags",
"errno",
@@ -2455,6 +2520,12 @@ version = "1.0.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+[[package]]
+name = "scopeguard"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
+
[[package]]
name = "semver"
version = "1.0.26"
@@ -2610,15 +2681,21 @@ dependencies = [
[[package]]
name = "smallvec"
-version = "1.14.0"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8917285742e9f3e1683f0a9c4e6b57960b7314d0b08d30d1ecd426713ee2eee9"
+
+[[package]]
+name = "smol_str"
+version = "0.1.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcf8323ef1faaee30a44a340193b1ac6814fd9b7b4e88e9d4519a3e4abe1cfd"
+checksum = "fad6c857cbab2627dcf01ec85a623ca4e7dcb5691cbaa3d7fb7653671f0d09c9"
[[package]]
name = "socket2"
-version = "0.5.8"
+version = "0.5.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c970269d99b64e60ec3bd6ad27270092a5394c4e309314b18ae3fe575695fbe8"
+checksum = "4f5fd57c80058a56cf5c777ab8a126398ece8e442983605d280a44ce79d0edef"
dependencies = [
"libc",
"windows-sys 0.52.0",
@@ -2810,9 +2887,9 @@ dependencies = [
[[package]]
name = "tokio"
-version = "1.44.1"
+version = "1.44.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f382da615b842244d4b8738c82ed1275e6c5dd90c459a30941cd07080b06c91a"
+checksum = "e6b88822cbe49de4185e3a4cbf8321dd487cf5fe0c5c65695fef6346371e9c48"
dependencies = [
"backtrace",
"bytes",
@@ -3624,18 +3701,18 @@ dependencies = [
[[package]]
name = "zerocopy"
-version = "0.8.23"
+version = "0.8.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd97444d05a4328b90e75e503a34bad781f14e28a823ad3557f0750df1ebcbc6"
+checksum = "2586fea28e186957ef732a5f8b3be2da217d65c5969d4b1e17f973ebbe876879"
dependencies = [
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
-version = "0.8.23"
+version = "0.8.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6352c01d0edd5db859a63e2605f4ea3183ddbd15e2c4a9e7d32184df75e4f154"
+checksum = "a996a8f63c5c4448cd959ac1bab0aaa3306ccfd060472f85943ee0750f0169be"
dependencies = [
"proc-macro2",
"quote",
diff --git a/Cargo.toml b/Cargo.toml
index 2d3b52abe..458ccf702 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,7 @@ default-members = ["crates/*"]
resolver = "2"
[workspace.dependencies]
+acto = { version = "0.7.2", features = ["tokio"] }
anyhow = "1.0.95"
async-trait = "0.1.83"
bech32 = "0.11.0"
diff --git a/Makefile b/Makefile
index fc4d49ae5..5835c6767 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,9 @@ DEMO_TARGET_EPOCH ?= 174
HASKELL_NODE_CONFIG_SOURCE := https://book.world.dev.cardano.org/environments
COVERAGE_DIR ?= coverage
COVERAGE_CRATES ?=
+LISTEN_ADDRESS ?= 0.0.0.0:0
+LEDGER_DIR ?= ./ledger.db
+CHAIN_DIR ?= ./chain.db
.PHONY: help bootstrap run import-snapshots import-headers import-nonces download-haskell-config coverage-html coverage-lconv check-llvm-cov
@@ -37,32 +40,44 @@ download-haskell-config: ## Download Cardano Haskell configuration for $NETWORK
import-snapshots: snapshots ## Import PreProd snapshots for demo
cargo run -- import-ledger-state \
+ --ledger-dir $(LEDGER_DIR) \
--snapshot $^/69206375.6f99b5f3deaeae8dc43fce3db2f3cd36ad8ed174ca3400b5b1bed76fdf248912.cbor \
--snapshot $^/69638382.5da6ba37a4a07df015c4ea92c880e3600d7f098b97e73816f8df04bbb5fad3b7.cbor \
--snapshot $^/70070379.d6fe6439aed8bddc10eec22c1575bf0648e4a76125387d9e985e9a3f8342870d.cbor
import-headers: ## Import headers from $AMARU_PEER_ADDRESS for demo
cargo run -- import-headers \
+ --chain-dir $(CHAIN_DIR) \
--peer-address ${AMARU_PEER_ADDRESS} \
--starting-point 69638365.4ec0f5a78431fdcc594eab7db91aff7dfd91c13cc93e9fbfe70cd15a86fadfb2 \
--count 2
cargo run -- import-headers \
+ --chain-dir $(CHAIN_DIR) \
--peer-address ${AMARU_PEER_ADDRESS} \
--starting-point 70070331.076218aa483344e34620d3277542ecc9e7b382ae2407a60e177bc3700548364c \
--count 2
import-nonces: ## Import PreProd nonces for demo
cargo run -- import-nonces \
+ --chain-dir $(CHAIN_DIR) \
--at 70070379.d6fe6439aed8bddc10eec22c1575bf0648e4a76125387d9e985e9a3f8342870d \
--active a7c4477e9fcfd519bf7dcba0d4ffe35a399125534bc8c60fa89ff6b50a060a7a \
--candidate 74fe03b10c4f52dd41105a16b5f6a11015ec890a001a5253db78a779fe43f6b6 \
--evolving 24bb737ee28652cd99ca41f1f7be568353b4103d769c6e1ddb531fc874dd6718 \
--tail 5da6ba37a4a07df015c4ea92c880e3600d7f098b97e73816f8df04bbb5fad3b7
-bootstrap: import-headers import-nonces import-snapshots ## Bootstrap the node
+clear-db: ## Clear the database
+ rm -rf $(LEDGER_DIR) $(CHAIN_DIR)
+
+bootstrap: clear-db import-headers import-nonces import-snapshots ## Bootstrap the node
dev: ## Compile and run for development with default options
- cargo run -- daemon --peer-address=$(AMARU_PEER_ADDRESS) --network=$(NETWORK)
+ cargo run -- daemon \
+ --ledger-dir $(LEDGER_DIR) \
+ --chain-dir $(CHAIN_DIR) \
+ --peer-address $(AMARU_PEER_ADDRESS) \
+ --network=$(NETWORK) \
+ --listen-address $(LISTEN_ADDRESS)
test-e2e: ## Run snapshot tests, assuming snapshots are available.
cargo test -p amaru -- --ignored
@@ -77,19 +92,19 @@ check-llvm-cov: ## Check if cargo-llvm-cov is installed, install if not
coverage-html: check-llvm-cov ## Run test coverage for Amaru
cargo llvm-cov \
- --no-cfg-coverage \
- --html \
+ --no-cfg-coverage \
+ --html \
--output-dir $(COVERAGE_DIR) $(foreach package,$(COVERAGE_CRATES), --package $(package))
coverage-lconv: ## Run test coverage for CI to upload to Codecov
cargo llvm-cov \
- --all-features \
+ --all-features \
--workspace \
--lcov \
--output-path lcov.info
demo: ## Synchronize Amaru until a target epoch $DEMO_TARGET_EPOCH
- ./scripts/demo.sh $(AMARU_PEER_ADDRESS) $(DEMO_TARGET_EPOCH) $(NETWORK)
+ LEDGER_DIR=$(LEDGER_DIR) CHAIN_DIR=$(CHAIN_DIR) ./scripts/demo.sh $(AMARU_PEER_ADDRESS) $(DEMO_TARGET_EPOCH) $(NETWORK)
build-examples: ## Build all examples
@for dir in $(wildcard examples/*/.); do \
diff --git a/README.md b/README.md
index 3b1407a05..2a39486d8 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ cargo build --release
> [!IMPORTANT]
> These instructions assume one starts from scratch, and has access to a running [cardano-node](https://github.com/IntersectMBO/cardano-node/)
-on the [preprod](https://book.world.dev.cardano.org/env-preprod.html) network.
+on the [preprod](https://book.world.dev.cardano.org/env-preprod.html) network (see bottom of page for more info).
1. Download at least three [ledger snapshots](./data/README.md#cardano-ledger-snapshots):
@@ -127,3 +127,22 @@ Amaru is the integration point of several other projects / repositories. Amongst
|
Discord
+
+## Spinning up a Cardano node on `preprod`
+
+One option to do this is by using the docker image mentioned above:
+
+```sh
+docker pull ghcr.io/intersectmbo/cardano-node:8.9.1
+```
+
+(you may want to check available versions)
+This image requires two volumes:
+
+- `cardano-data:/data` for the blockchain db
+- `cardano-ipc:/ipc` for IPC with other tools
+
+Since we want to use network connections to interact with this node, you’ll want to expose port 3001, at least on `localhost`.
+
+The final and crucial ingredient is to supply the environment variable `NETWORK=preprod`.
+With this, the node with start up, fetch the required config files, and then start syncing blocks from the network; this will take some time.
diff --git a/crates/amaru-consensus/Cargo.lock b/crates/amaru-consensus/Cargo.lock
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index 80f93c270..000000000
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diff --git a/crates/amaru-consensus/Cargo.toml b/crates/amaru-consensus/Cargo.toml
index 9745b7d58..485cb0197 100644
--- a/crates/amaru-consensus/Cargo.toml
+++ b/crates/amaru-consensus/Cargo.toml
@@ -30,6 +30,9 @@ slot-arithmetic.workspace = true
envpath.workspace = true
hex.workspace = true
insta.workspace = true
+minicbor.workspace = true
proptest.workspace = true
rand.workspace = true
+serde_json.workspace = true
tempfile.workspace = true
+tracing-subscriber.workspace = true
diff --git a/crates/amaru/Cargo.toml b/crates/amaru/Cargo.toml
index 20ebb65e2..5e20b6efc 100644
--- a/crates/amaru/Cargo.toml
+++ b/crates/amaru/Cargo.toml
@@ -14,12 +14,14 @@ rust-version.workspace = true
build = "build.rs"
[dependencies]
+acto.workspace = true
async-trait.workspace = true
clap.workspace = true
gasket.workspace = true
hex.workspace = true
indicatif.workspace = true
indoc.workspace = true
+minicbor.workspace = true
opentelemetry-otlp.workspace = true
opentelemetry.workspace = true
opentelemetry_sdk.workspace = true
@@ -28,6 +30,8 @@ pallas-crypto.workspace = true
pallas-network.workspace = true
pallas-primitives.workspace = true
pallas-traverse.workspace = true
+serde_json.workspace = true
+slot-arithmetic.workspace = true
sysinfo.workspace = true
thiserror.workspace = true
tokio = { workspace = true, features = ["rt", "rt-multi-thread", "signal"] }
diff --git a/crates/amaru/src/bin/amaru/cmd/daemon.rs b/crates/amaru/src/bin/amaru/cmd/daemon.rs
index 17b2d4666..944a414bd 100644
--- a/crates/amaru/src/bin/amaru/cmd/daemon.rs
+++ b/crates/amaru/src/bin/amaru/cmd/daemon.rs
@@ -50,6 +50,14 @@ pub struct Args {
/// Path of the chain on-disk storage.
#[arg(long, value_name = "DIR", default_value = super::DEFAULT_CHAIN_DB_DIR)]
chain_dir: PathBuf,
+
+ /// The address to listen on for incoming connections.
+ #[arg(long, value_name = "LISTEN_ADDRESS", default_value = super::DEFAULT_LISTEN_ADDRESS)]
+ listen_address: String,
+
+ /// The maximum number of downstream peers to connect to.
+ #[arg(long, value_name = "MAX_DOWNSTREAM_PEERS", default_value_t = 10)]
+ max_downstream_peers: usize,
}
pub async fn run(
@@ -106,5 +114,8 @@ fn parse_args(args: Args) -> Result> {
chain_dir: args.chain_dir,
upstream_peers: args.peer_address,
network: args.network,
+ network_magic: args.network.to_network_magic(),
+ listen_address: args.listen_address,
+ max_downstream_peers: args.max_downstream_peers,
})
}
diff --git a/crates/amaru/src/bin/amaru/cmd/mod.rs b/crates/amaru/src/bin/amaru/cmd/mod.rs
index d37f02711..2b08cf096 100644
--- a/crates/amaru/src/bin/amaru/cmd/mod.rs
+++ b/crates/amaru/src/bin/amaru/cmd/mod.rs
@@ -25,6 +25,9 @@ pub(crate) const DEFAULT_LEDGER_DB_DIR: &str = "./ledger.db";
/// Default path to the on-disk chain storage.
pub(crate) const DEFAULT_CHAIN_DB_DIR: &str = "./chain.db";
+/// Default address to listen on for incoming connections.
+pub(crate) const DEFAULT_LISTEN_ADDRESS: &str = "0.0.0.0:3000";
+
/// Utility function to parse a point from a string.
///
/// Expects the input to be of the form '.', where `` is a number and ``
diff --git a/crates/amaru/src/stages/consensus/chain_forward.rs b/crates/amaru/src/stages/consensus/chain_forward.rs
index 1e96bb9f0..0ea58e0fa 100644
--- a/crates/amaru/src/stages/consensus/chain_forward.rs
+++ b/crates/amaru/src/stages/consensus/chain_forward.rs
@@ -12,13 +12,27 @@
// See the License for the specific language governing permissions and
// limitations under the License.
-use amaru_consensus::consensus::store::ChainStore;
+use crate::stages::PallasPoint;
+use acto::{AcTokio, ActoCell, ActoMsgSuper, ActoRef, ActoRuntime};
+use amaru_consensus::{consensus::store::ChainStore, IsHeader};
use amaru_kernel::{Hash, Header};
use amaru_ledger::BlockValidationResult;
+use client_protocol::{client_protocols, ClientProtocolMsg};
use gasket::framework::*;
-use std::sync::Arc;
-use tokio::sync::Mutex;
-use tracing::trace_span;
+use pallas_network::{
+ facades::PeerServer,
+ miniprotocols::{chainsync::Tip, Point},
+};
+use std::{cell::RefCell, collections::HashMap, sync::Arc};
+use tokio::{
+ net::TcpListener,
+ sync::{
+ mpsc::{self, Receiver},
+ Mutex,
+ },
+ task::JoinHandle,
+};
+use tracing::{error, info, trace_span};
pub type UpstreamPort = gasket::messaging::InputPort;
@@ -26,54 +40,213 @@ pub const EVENT_TARGET: &str = "amaru::consensus::chain_forward";
/// Forwarding stage of the consensus where blocks are stored and made
/// available to downstream peers.
-///
-/// TODO: currently does nothing, should store block, update chain state, and
-/// forward new chain downstream
#[derive(Stage)]
-#[stage(
- name = "consensus.forward",
- unit = "BlockValidationResult",
- worker = "Worker"
-)]
+#[stage(name = "consensus.forward", unit = "Unit", worker = "Worker")]
pub struct ForwardStage {
pub store: Arc>>,
pub upstream: UpstreamPort,
+ pub network_magic: u64,
+ pub runtime: AcTokio,
+ pub listen_address: String,
+ pub downstream: ActoRef,
+ pub max_peers: usize,
+ pub our_tip: Tip,
+}
+
+#[derive(Debug, Clone)]
+pub enum ForwardEvent {
+ Listening(u16),
+ Forward(Point),
+ Backward(Point),
}
impl ForwardStage {
- pub fn new(store: Arc>>) -> Self {
+ pub fn new(
+ downstream: Option>,
+ store: Arc>>,
+ network_magic: u64,
+ listen_address: &str,
+ max_peers: usize,
+ our_tip: Tip,
+ ) -> Self {
+ #[allow(clippy::expect_used)]
+ let runtime =
+ AcTokio::new("consensus.forward", 1).expect("failed to create AcTokio runtime");
Self {
store,
upstream: Default::default(),
+ network_magic,
+ runtime,
+ listen_address: listen_address.to_string(),
+ downstream: downstream.unwrap_or_else(ActoRef::blackhole),
+ max_peers,
+ our_tip,
}
}
}
-pub struct Worker {}
+pub enum Unit {
+ Peer(RefCell>),
+ Block(BlockValidationResult),
+}
+
+pub struct Worker {
+ server: JoinHandle<()>,
+ incoming_peers: Receiver,
+ our_tip: Tip,
+ clients: ActoRef,
+}
+
+impl Drop for Worker {
+ fn drop(&mut self) {
+ self.server.abort();
+ }
+}
+
+#[allow(clippy::large_enum_variant)]
+#[derive(Clone)]
+enum ClientOp {
+ /// the tip to go back to
+ Backward(Tip),
+ /// the header to go forward to and the tip we will be at after sending this header
+ Forward(Header, Tip),
+}
+
+impl std::fmt::Debug for ClientOp {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ match self {
+ Self::Backward(tip) => f
+ .debug_struct("Backward")
+ .field("tip", &(tip.1, PrettyPoint(&tip.0)))
+ .finish(),
+ Self::Forward(header, tip) => f
+ .debug_struct("Forward")
+ .field(
+ "header",
+ &(header.block_height(), PrettyPoint(&header.pallas_point())),
+ )
+ .field("tip", &(tip.1, PrettyPoint(&tip.0)))
+ .finish(),
+ }
+ }
+}
+
+struct PrettyPoint<'a>(&'a Point);
+
+impl std::fmt::Debug for PrettyPoint<'_> {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ write!(
+ f,
+ "({}, {})",
+ self.0.slot_or_default(),
+ hex::encode(hash_point(self.0))
+ )
+ }
+}
+
+fn hash_point(point: &Point) -> Hash<32> {
+ match point {
+ Point::Origin => Hash::from([0; 32]),
+ Point::Specific(_slot, hash) => Hash::from(hash.as_slice()),
+ }
+}
+
+impl PartialEq for ClientOp {
+ fn eq(&self, other: &Self) -> bool {
+ match (self, other) {
+ (Self::Backward(l0), Self::Backward(r0)) => (&l0.0, l0.1) == (&r0.0, r0.1),
+ (Self::Forward(l0, l1), Self::Forward(r0, r1)) => {
+ l0 == r0 && (&l1.0, l1.1) == (&r1.0, r1.1)
+ }
+ _ => false,
+ }
+ }
+}
+
+impl Eq for ClientOp {}
+
+impl ClientOp {
+ pub fn tip(&self) -> Tip {
+ match self {
+ ClientOp::Backward(tip) => tip.clone(),
+ ClientOp::Forward(_, tip) => tip.clone(),
+ }
+ }
+}
#[async_trait::async_trait(?Send)]
impl gasket::framework::Worker for Worker {
- async fn bootstrap(_stage: &ForwardStage) -> Result {
- Ok(Self {})
+ async fn bootstrap(stage: &ForwardStage) -> Result {
+ let server = TcpListener::bind(&stage.listen_address).await.or_panic()?;
+ tracing::debug!("sending listening event");
+ stage.downstream.send(ForwardEvent::Listening(
+ server.local_addr().or_panic()?.port(),
+ ));
+
+ let (tx, incoming_peers) = mpsc::channel(10);
+
+ let clients = stage
+ .runtime
+ .spawn_actor("chain_forward", |cell| {
+ client_supervisor(cell, stage.store.clone(), stage.max_peers)
+ })
+ .me;
+
+ let network_magic = stage.network_magic;
+ let server = tokio::spawn(async move {
+ loop {
+ // due to the signature of TcpListener::accept, this is the only way to use this API
+ // in particular, it isn’t possible to poll for new peers within the `schedule` method
+ let peer = match PeerServer::accept(&server, network_magic).await {
+ Ok(peer) => peer,
+ Err(e) => {
+ tracing::warn!(
+ target: EVENT_TARGET,
+ "error accepting peer: {e}",
+ );
+ continue;
+ }
+ };
+
+ match tx.send(peer).await {
+ Ok(_) => {}
+ Err(e) => {
+ tracing::info!(
+ target: EVENT_TARGET,
+ "dropping incoming connection: {e}"
+ );
+ }
+ }
+ }
+ });
+
+ Ok(Self {
+ server,
+ incoming_peers,
+ our_tip: stage.our_tip.clone(),
+ clients,
+ })
}
async fn schedule(
&mut self,
stage: &mut ForwardStage,
- ) -> Result, WorkerError> {
- let unit = stage.upstream.recv().await.or_panic()?;
-
- Ok(WorkSchedule::Unit(unit.payload))
+ ) -> Result, WorkerError> {
+ tokio::select! {
+ block = stage.upstream.recv() => Ok(WorkSchedule::Unit(Unit::Block(block.or_panic()?.payload))),
+ peer = self.incoming_peers.recv() => {
+ match peer {
+ Some(peer) => Ok(WorkSchedule::Unit(Unit::Peer(RefCell::new(Some(peer))))),
+ None => Err(WorkerError::Panic),
+ }
+ }
+ }
}
- async fn execute(
- &mut self,
- unit: &BlockValidationResult,
- _stage: &mut ForwardStage,
- ) -> Result<(), WorkerError> {
+ async fn execute(&mut self, unit: &Unit, stage: &mut ForwardStage) -> Result<(), WorkerError> {
match unit {
- BlockValidationResult::BlockValidated(point, span) => {
+ Unit::Block(BlockValidationResult::BlockValidated(point, span)) => {
// FIXME: this span is just a placeholder to hold a link to t
// the parent, it will be filled once we had the storage and
// forwarding logic.
@@ -85,30 +258,134 @@ impl gasket::framework::Worker for Worker {
hash = %Hash::<32>::from(point),
);
+ // FIXME: block height should be part of BlockValidated message
+ let store = stage.store.lock().await;
+ if let Some(header) = store.load_header(&Hash::from(point)) {
+ // assert that the new tip is a direct successor of the old tip
+ assert_eq!(header.block_height(), self.our_tip.1 + 1);
+ match header.parent() {
+ Some(parent) => assert_eq!(
+ Point::new(self.our_tip.0.slot_or_default(), parent.as_ref().to_vec()),
+ self.our_tip.0
+ ),
+ None => assert_eq!(self.our_tip.0, Point::Origin),
+ }
+
+ self.our_tip = Tip(point.pallas_point(), header.block_height());
+ self.clients.send(ClientMsg::Op(ClientOp::Forward(
+ header,
+ self.our_tip.clone(),
+ )));
+
+ stage
+ .downstream
+ .send(ForwardEvent::Forward(point.pallas_point()));
+ }
+
Ok(())
}
- BlockValidationResult::BlockValidationFailed(point, span) => {
- let _span = trace_span!(
+ Unit::Block(BlockValidationResult::RolledBackTo(point, span)) => {
+ info!(
target: EVENT_TARGET,
parent: span,
- "forward.block_validation_failed",
slot = ?point.slot_or_default(),
hash = %Hash::<32>::from(point),
+ "rolled_back_to"
);
- Err(WorkerError::Panic)
+ // FIXME: block height should be part of BlockValidated message
+ let store = stage.store.lock().await;
+ if let Some(header) = store.load_header(&Hash::from(point)) {
+ self.our_tip = Tip(point.pallas_point(), header.block_height());
+ self.clients
+ .send(ClientMsg::Op(ClientOp::Backward(self.our_tip.clone())));
+
+ stage
+ .downstream
+ .send(ForwardEvent::Backward(point.pallas_point()));
+ }
+
+ Ok(())
}
- BlockValidationResult::RolledBackTo(point, span) => {
- let _span = trace_span!(
+ Unit::Block(BlockValidationResult::BlockValidationFailed(point, span)) => {
+ error!(
target: EVENT_TARGET,
parent: span,
- "rolled_back_to",
slot = ?point.slot_or_default(),
hash = %Hash::<32>::from(point),
+ "block_validation_failed"
);
Ok(())
}
+ Unit::Peer(peer) => {
+ // FIXME: gasket design bug that we only get &Unit and thus cannot take values from it without internal mutability
+ let peer = peer.borrow_mut().take();
+ if let Some(peer) = peer {
+ self.clients
+ .send(ClientMsg::Peer(peer, self.our_tip.clone()));
+ } else {
+ tracing::error!(target: EVENT_TARGET, "Unit::Peer was empty in execute");
+ }
+ Ok(())
+ }
+ }
+ }
+}
+
+#[allow(clippy::large_enum_variant)]
+enum ClientMsg {
+ /// A new peer has connected to us.
+ ///
+ /// Our tip is included to get the connection handlers started correctly.
+ Peer(PeerServer, Tip),
+ /// An operation to be executed on all clients.
+ Op(ClientOp),
+}
+
+async fn client_supervisor(
+ mut cell: ActoCell>,
+ store: Arc>>,
+ max_peers: usize,
+) {
+ let mut clients = HashMap::new();
+ while let Some(msg) = cell.recv().await.has_senders() {
+ match msg {
+ ActoMsgSuper::Message(ClientMsg::Peer(peer, tip)) => {
+ let addr = peer
+ .accepted_address()
+ .map(|a| a.to_string())
+ .unwrap_or_default();
+
+ if clients.len() >= max_peers {
+ tracing::warn!(target: EVENT_TARGET, "max peers reached, dropping peer from {addr}");
+ continue;
+ }
+
+ let client = cell.spawn_supervised(&addr, {
+ let store = store.clone();
+ move |cell| client_protocols(cell, peer, store, tip)
+ });
+ clients.insert(client.id(), client);
+ }
+ ActoMsgSuper::Message(ClientMsg::Op(op)) => {
+ for client in clients.values() {
+ client.send(ClientProtocolMsg::Op(op.clone()));
+ }
+ }
+ ActoMsgSuper::Supervision { id, name, result } => {
+ tracing::info!(target: EVENT_TARGET, "client {} terminated: {:?}", name, result);
+ clients.remove(&id);
+ }
}
}
}
+
+mod client_protocol;
+mod client_state;
+
+#[cfg(test)]
+mod tests;
+
+#[cfg(test)]
+mod test_infra;
diff --git a/crates/amaru/src/stages/consensus/chain_forward/README.md b/crates/amaru/src/stages/consensus/chain_forward/README.md
new file mode 100644
index 000000000..3507ed0e4
--- /dev/null
+++ b/crates/amaru/src/stages/consensus/chain_forward/README.md
@@ -0,0 +1,38 @@
+# chain_forward: Downstream Server
+
+
+
+This stage needs to handle a high degree of concurrency due to
+
+- getting block validation results
+- receiving new client connections
+- receiving various requests from those clients
+
+Placing all these functions into one state machine is impractical due to the multiplicative state complexity explosion.
+The current design therefore splits up the state into non-concurrent pieces and places each piece within an [`acto`](https://docs.rs/acto) actor.
+Currently, only the chain sync and keep alive protocols are fully implemented.
+
+## Accepting client connections
+
+This functionality is given by the `PeerServer::accept` async function from Pallas, which in turn inherits its API design constraints from the Tokio [`TcpListener`](https://docs.rs/tokio/latest/tokio/net/struct.TcpListener.html).
+Since its `accept` method borrows `self`, this async function cannot be spawned as a separate task, nor can its `Future` be stored within the `ForwardStage` without using `unsafe`; this API can only be used within another async function calling `accept` in a loop.
+Therefore, such a task is spawned from the worker’s `bootstrap` hook and will send received connections to the worker via a bounded queue.
+
+## Handling client requests
+
+The `PeerServer` API bundles miniprotocol instances for each of the supported protocols, but unfortunately, using these instances via the `PeerServer` requires an exclusive reference, so the `PeerServer` needs to be deconstructed in order to allow concurrent usage of the protocols (like concurrently waiting for requests).
+Each of the protocol instances is managed by one actor whose sole responsibility is to react to client requests as appropriate.
+For `keepalive` this is trivial because no further information is needed to answer a request.
+In the case of `chainsync` this actor needs to obtain information regarding the current best chain and consequently the list of outstanding header operations (roll forward or backward) in order to respond to requests for the next header.
+Since it is impossible to await the next client request while staying responsive to incoming block validation updates, these two responsibilities need to be separated into two actors:
+
+- `chain_sync` handles block validation updates and tracks them relative to the latest communicated state with the client
+- `chain_sync_handler` handles client requests
+
+Since `chain_sync` has no otherwise forbidding responsibilities, it stays responsive to requests from the `chain_sync_handler`.
+This concurrency is the minimum required complexity to solve this problem, i.e. the split into these two actors should yield optimal readability and maintainability of the resulting code.
+A further simplification of the communication between these two actors is achieved by performing the intersect part of the protocol — which must happen first — within the `chain_sync` actor before handing off the header requests part to the `chain_sync_handler`;
+this is possible because I presume one intersection request to be a precondition for the first header request.
+
+Between the level of per-protocol actors for one client and the overall client supervisor there is an additional level of per-client supervision in the `client_protocols` actors that serves to bundle the miniprotocols spoken over one client connection.
+The effect is that failure in one protocol will tear down the others and the connection as well.
diff --git a/crates/amaru/src/stages/consensus/chain_forward/chain_forward.d2 b/crates/amaru/src/stages/consensus/chain_forward/chain_forward.d2
new file mode 100644
index 000000000..34f7e881d
--- /dev/null
+++ b/crates/amaru/src/stages/consensus/chain_forward/chain_forward.d2
@@ -0,0 +1,126 @@
+title: {
+ label: "internal design of the chain_forward stage"
+ near: top-center
+ shape: text
+ style.font-size: 24
+ style.bold: true
+}
+
+# Styles
+classes: {
+ component: {
+ style: {
+ stroke: "#2a2a2a"
+ fill: "#ffffff"
+ font-color: "#2a2a2a"
+ border-radius: 10
+ shadow: true
+ }
+ }
+ container: {
+ style: {
+ stroke: "#2a2a2a"
+ fill: "#f5f5f5"
+ font-color: "#2a2a2a"
+ border-radius: 10
+ shadow: true
+ }
+ }
+ subcomponent: {
+ style: {
+ stroke: "#666666"
+ fill: "#ffffff"
+ font-color: "#2a2a2a"
+ border-radius: 5
+ shadow: false
+ }
+ }
+}
+
+prev: {
+ class: component
+ label: "BlockValidationResult"
+}
+
+chain_forward: {
+ class: container
+ label: "chain_forward"
+
+ accept: {
+ class: component
+ label: "TcpListener accept task"
+ }
+
+ stage: {
+ class: component
+ label: ""
+ t: |md
+ ### ForwardStage / Worker
+ tracks current `tip`
+ |
+ }
+
+ AcTokio: {
+ class: component
+
+ client_supervisor: {
+ class: subcomponent
+ label: ""
+ t: |md
+ ### client_supervisor
+ maintains a map of live client actors
+ |
+ }
+
+ client_protocols: {
+ class: subcomponent
+ label: ""
+ t: |md
+ ### client_protocols
+ supervises the per-miniprotocol actors
+ |
+ }
+
+ chain_sync: {
+ class: subcomponent
+ label: ""
+ t: |md
+ ### chain_sync
+ performs initial intersection and
+ tracks outstanding messages to be sent to the client
+ |
+ }
+ chain_sync_handler: {
+ class: subcomponent
+ label: ""
+ t: |md
+ ### chain_sync_handler
+ runs the `chainsync::Server` mini-protocol
+ |
+ }
+
+ block_fetch: {class: subcomponent}
+ tx_submission: {class: subcomponent}
+ keep_alive: {
+ class: subcomponent
+ label: ""
+ t: |md
+ ### keep_alive
+ runs the `keepalive` ping pong protocol
+ |
+ }
+
+ client_supervisor -> client_protocols: "spawns for each client connection\nand forwards block updates to all"
+ client_protocols -> chain_sync: "forwards block updates"
+ chain_sync -> chain_sync_handler: "sends server responses"
+ chain_sync_handler -> chain_sync: "requests headers"
+ client_protocols -> block_fetch
+ client_protocols -> tx_submission
+ client_protocols -> keep_alive
+ }
+
+ accept -> stage: "new connections as `PeerServer`"
+ stage -> AcTokio.client_supervisor: "forwards block updates or received connections"
+}
+
+prev -> chain_forward.stage
diff --git a/crates/amaru/src/stages/consensus/chain_forward/chain_forward.png b/crates/amaru/src/stages/consensus/chain_forward/chain_forward.png
new file mode 100644
index 000000000..65b8342f4
Binary files /dev/null and b/crates/amaru/src/stages/consensus/chain_forward/chain_forward.png differ
diff --git a/crates/amaru/src/stages/consensus/chain_forward/client_protocol.rs b/crates/amaru/src/stages/consensus/chain_forward/client_protocol.rs
new file mode 100644
index 000000000..058363e68
--- /dev/null
+++ b/crates/amaru/src/stages/consensus/chain_forward/client_protocol.rs
@@ -0,0 +1,250 @@
+use super::{
+ client_state::{find_headers_between, ClientState},
+ ClientOp,
+};
+use acto::{ActoCell, ActoInput, ActoRef, ActoRuntime};
+use amaru_consensus::consensus::store::ChainStore;
+use amaru_kernel::{to_cbor, Header};
+use pallas_network::{
+ facades::PeerServer,
+ miniprotocols::{
+ blockfetch,
+ chainsync::{self, ClientRequest, HeaderContent, Tip},
+ keepalive, txsubmission,
+ },
+};
+use std::sync::Arc;
+use tokio::sync::Mutex;
+
+#[derive(Debug, thiserror::Error)]
+pub enum ClientError {
+ #[error("client asked for headers before intersection was found")]
+ EarlyRequestNext,
+ #[error("no intersection found")]
+ NoIntersection,
+ #[error("client asked for intersection after it was already found")]
+ LateIntersection,
+ #[error("client terminated")]
+ ClientTerminated,
+ #[error("handler failure: {0}")]
+ HandlerFailure(String),
+}
+
+pub enum ClientProtocolMsg {
+ Op(ClientOp),
+}
+
+pub async fn client_protocols(
+ mut cell: ActoCell>,
+ server: PeerServer,
+ store: Arc>>,
+ our_tip: Tip,
+) -> anyhow::Result<()> {
+ let _block_fetch = cell.spawn_supervised("block_fetch", {
+ let store = store.clone();
+ move |cell| block_fetch(cell, server.blockfetch, store)
+ });
+ let _tx_submission = cell.spawn_supervised("tx_submission", move |cell| {
+ tx_submission(cell, server.txsubmission)
+ });
+ let _keep_alive =
+ cell.spawn_supervised("keep_alive", move |cell| keep_alive(cell, server.keepalive));
+
+ let chain_sync = cell.spawn_supervised("chain_sync", move |cell| {
+ chain_sync(cell, server.chainsync, our_tip, store)
+ });
+
+ while let ActoInput::Message(msg) = cell.recv().await {
+ match msg {
+ ClientProtocolMsg::Op(op) => chain_sync.send(ChainSyncMsg::Op(op)),
+ };
+ }
+
+ Ok(())
+}
+
+#[allow(clippy::large_enum_variant)]
+pub enum ChainSyncMsg {
+ /// An operation coming in from the ledger
+ Op(ClientOp),
+ /// A request for data from the client
+ ReqNext,
+}
+
+async fn chain_sync(
+ mut cell: ActoCell>,
+ mut server: chainsync::Server,
+ our_tip: Tip,
+ store: Arc>>,
+) -> anyhow::Result<()> {
+ // TODO: do we need to handle validation updates already here in case the client is really slow to ask for intersection?
+ let Some(ClientRequest::Intersect(req)) = server.recv_while_idle().await? else {
+ // need an intersection point to start
+ return Err(ClientError::EarlyRequestNext.into());
+ };
+
+ tracing::debug!("finding headers between {:?} and {:?}", our_tip.0, req);
+ let Some((catch_up, client_at)) = find_headers_between(&*store.lock().await, &our_tip.0, &req)
+ else {
+ tracing::debug!("no intersection found");
+ server.send_intersect_not_found(our_tip).await?;
+ return Err(ClientError::NoIntersection.into());
+ };
+ tracing::debug!("intersection found: {client_at:?}");
+ server
+ .send_intersect_found(client_at.0.clone(), our_tip.clone())
+ .await?;
+
+ let parent = cell.me();
+ let handler = cell.spawn_supervised("chainsync_handler", move |cell| {
+ chain_sync_handler(cell, server, parent)
+ });
+
+ let mut state = ClientState::new(catch_up.into());
+ let mut our_tip = our_tip;
+ let mut waiting = false;
+ loop {
+ let input = cell.recv().await;
+ match input {
+ ActoInput::Message(ChainSyncMsg::Op(op)) => {
+ tracing::debug!("got op {op:?}");
+ our_tip = op.tip();
+ state.add_op(op);
+ if waiting {
+ if let Some(op) = state.next_op() {
+ tracing::debug!("sending op {op:?} to waiting handler");
+ waiting = false;
+ handler.send(Some((op, our_tip.clone())));
+ }
+ }
+ }
+ ActoInput::Message(ChainSyncMsg::ReqNext) => {
+ tracing::debug!("got req next");
+ if let Some(op) = state.next_op() {
+ tracing::debug!("sending op {op:?} to handler");
+ handler.send(Some((op, our_tip.clone())));
+ } else {
+ tracing::debug!("sending await reply");
+ handler.send(None);
+ waiting = true;
+ }
+ }
+ ActoInput::NoMoreSenders => {
+ tracing::debug!("no more senders");
+ return Ok(());
+ }
+ ActoInput::Supervision { result, .. } => {
+ tracing::debug!("supervision result: {result:?}");
+ return result
+ .map_err(|e| anyhow::Error::from(ClientError::HandlerFailure(e.to_string())))
+ .and_then(|x| x);
+ }
+ }
+ }
+}
+
+/// This actor handles the ReqNext part of the chainsync protocol.
+/// It will ask the parent for the next operation whenever needed.
+/// The parent may respond with None to indicate the need to await, then it will eventually send the next operation.
+async fn chain_sync_handler(
+ mut cell: ActoCell, impl ActoRuntime>,
+ mut server: chainsync::Server,
+ parent: ActoRef,
+) -> anyhow::Result<()> {
+ loop {
+ let Some(req) = server.recv_while_idle().await? else {
+ tracing::debug!("client terminated");
+ return Err(ClientError::ClientTerminated.into());
+ };
+ if !matches!(req, ClientRequest::RequestNext) {
+ tracing::debug!("late intersection");
+ return Err(ClientError::LateIntersection.into());
+ };
+ tracing::debug!("got req next");
+ parent.send(ChainSyncMsg::ReqNext);
+
+ if let ActoInput::Message(op) = cell.recv().await {
+ match op {
+ Some((ClientOp::Forward(header, _), tip)) => {
+ tracing::debug!("sending roll forward");
+ server
+ .send_roll_forward(to_header_content(header), tip)
+ .await?;
+ }
+ Some((ClientOp::Backward(point), tip)) => {
+ tracing::debug!("sending roll backward");
+ server.send_roll_backward(point.0, tip).await?;
+ }
+ None => {
+ tracing::debug!("sending await reply");
+ server.send_await_reply().await?;
+ let ActoInput::Message(Some((op, tip))) = cell.recv().await else {
+ return Ok(());
+ };
+ match op {
+ ClientOp::Forward(header, _) => {
+ server
+ .send_roll_forward(to_header_content(header), tip)
+ .await?;
+ }
+ ClientOp::Backward(point) => {
+ server.send_roll_backward(point.0, tip).await?;
+ }
+ }
+ }
+ }
+ } else {
+ tracing::debug!("parent terminated");
+ // parent terminated
+ return Ok(());
+ }
+ }
+}
+
+pub(super) fn to_header_content(header: Header) -> HeaderContent {
+ HeaderContent {
+ variant: 1,
+ byron_prefix: None,
+ cbor: to_cbor(&header),
+ }
+}
+
+enum BlockFetchMsg {}
+
+async fn block_fetch(
+ _cell: ActoCell,
+ mut server: blockfetch::Server,
+ _store: Arc>>, // TODO: need a block store here
+) -> anyhow::Result<()> {
+ while let Some(req) = server.recv_while_idle().await? {
+ tracing::info!("block fetch request: {:?}", req);
+ // TODO: Implement block fetch
+ server.send_no_blocks().await?;
+ }
+
+ Ok(())
+}
+
+enum TxSubmissionMsg {}
+
+async fn tx_submission(
+ _cell: ActoCell,
+ mut server: txsubmission::Server,
+) -> anyhow::Result<()> {
+ server.wait_for_init().await?;
+
+ // TODO: Implement tx submission
+
+ Ok(())
+}
+
+enum KeepAliveMsg {}
+
+async fn keep_alive(
+ _cell: ActoCell,
+ mut server: keepalive::Server,
+) -> anyhow::Result<()> {
+ loop {
+ server.keepalive_roundtrip().await?;
+ }
+}
diff --git a/crates/amaru/src/stages/consensus/chain_forward/client_state.rs b/crates/amaru/src/stages/consensus/chain_forward/client_state.rs
new file mode 100644
index 000000000..08f09de05
--- /dev/null
+++ b/crates/amaru/src/stages/consensus/chain_forward/client_state.rs
@@ -0,0 +1,92 @@
+use super::{hash_point, ClientOp};
+use crate::stages::AsTip;
+use amaru_consensus::{consensus::store::ChainStore, IsHeader};
+use amaru_kernel::Header;
+use pallas_network::miniprotocols::{chainsync::Tip, Point};
+use std::collections::VecDeque;
+
+/// The state we track for one client.
+///
+/// The `ops` list may contain up to one rollback at the front only.
+pub(super) struct ClientState {
+ /// The list of operations to send to the client.
+ ops: VecDeque,
+}
+
+impl ClientState {
+ pub fn new(ops: VecDeque) -> Self {
+ Self { ops }
+ }
+
+ pub fn next_op(&mut self) -> Option {
+ tracing::debug!("next_op: {:?}", self.ops.front());
+ self.ops.pop_front()
+ }
+
+ pub fn add_op(&mut self, op: ClientOp) {
+ tracing::debug!("add_op: {:?}", op);
+ match op {
+ ClientOp::Backward(tip) => {
+ if let Some((index, _)) =
+ self.ops.iter().enumerate().rfind(
+ |(_, op)| matches!(op, ClientOp::Forward(_, tip2) if tip2.0 == tip.0),
+ )
+ {
+ tracing::debug!("found backward op at index {index} in {:?}", self.ops);
+ self.ops.truncate(index + 1);
+ tracing::debug!("last after truncate: {:?}", self.ops.back());
+ } else {
+ tracing::debug!("clearing ops");
+ self.ops.clear();
+ self.ops.push_back(ClientOp::Backward(tip));
+ }
+ }
+ op @ ClientOp::Forward(..) => {
+ tracing::debug!("adding forward op");
+ self.ops.push_back(op);
+ }
+ }
+ }
+}
+
+/// Find headers between points in the chain store.
+/// Returns None if the local chain is broken.
+/// Otherwise returns Some(headers) where headers is a list of headers leading from
+/// the tallest point from the list that lies in the past of `start_point`.
+pub(super) fn find_headers_between(
+ store: &dyn ChainStore,
+ start_point: &Point,
+ points: &[Point],
+) -> Option<(Vec, Tip)> {
+ let start_header = store.load_header(&hash_point(start_point))?;
+
+ if points.contains(start_point) {
+ return Some((vec![], start_header.as_tip()));
+ }
+
+ // Find the first point that is in the past of start_point
+ let mut current_header = start_header;
+ let mut headers = vec![ClientOp::Forward(
+ current_header.clone(),
+ current_header.as_tip(),
+ )];
+
+ while let Some(parent_hash) = current_header.parent() {
+ match store.load_header(&parent_hash) {
+ Some(header) => {
+ if points.iter().any(|p| hash_point(p) == parent_hash) {
+ // Found a matching point, return the collected headers
+ headers.reverse();
+ return Some((headers, header.as_tip()));
+ }
+ headers.push(ClientOp::Forward(header.clone(), header.as_tip()));
+ current_header = header;
+ }
+ None => return None, // Broken chain
+ }
+ }
+
+ // Reached genesis without finding any matching point
+ headers.reverse();
+ Some((headers, Tip(Point::Origin, 0)))
+}
diff --git a/crates/amaru/src/stages/consensus/chain_forward/test_infra.rs b/crates/amaru/src/stages/consensus/chain_forward/test_infra.rs
new file mode 100644
index 000000000..462a5aa05
--- /dev/null
+++ b/crates/amaru/src/stages/consensus/chain_forward/test_infra.rs
@@ -0,0 +1,351 @@
+#![allow(dead_code)]
+
+use super::{ForwardEvent, ForwardStage, PrettyPoint};
+use crate::stages::PallasPoint;
+use acto::{AcTokio, AcTokioRuntime, ActoCell, ActoInput, ActoRuntime};
+use amaru_consensus::consensus::store::{ChainStore, Nonces, StoreError};
+use amaru_consensus::IsHeader;
+use amaru_kernel::{from_cbor, Hash, Header};
+use amaru_ledger::BlockValidationResult;
+use gasket::messaging::tokio::ChannelRecvAdapter;
+use gasket::runtime::{spawn_stage, Tether};
+use pallas_network::facades::PeerClient;
+use pallas_network::miniprotocols::chainsync::{NextResponse, Tip};
+use pallas_network::miniprotocols::Point;
+use std::future::Future;
+use std::sync::Arc;
+use std::time::Duration;
+use std::{collections::HashMap, fs::File, path::Path, str::FromStr};
+use tokio::sync::{mpsc, Mutex};
+use tokio::time::timeout;
+use tracing_subscriber::EnvFilter;
+
+#[derive(Debug, Clone)]
+pub struct TestStore(HashMap, Header>);
+
+impl TestStore {
+ pub fn len(&self) -> usize {
+ self.0.len()
+ }
+
+ pub fn get(&self, hash: &Hash<32>) -> Option<&Header> {
+ self.0.get(hash)
+ }
+
+ pub fn get_chain(&self, h: &str) -> Vec {
+ let mut chain = Vec::new();
+ let mut current = hash(h);
+ while let Some(header) = self.get(¤t) {
+ chain.push(header.clone());
+ let Some(parent) = header.parent() else {
+ break;
+ };
+ current = parent;
+ }
+ chain.reverse();
+ chain
+ }
+
+ pub fn get_tip(&self, h: &str) -> Tip {
+ let header = self.get(&hash(h)).unwrap();
+ Tip(header.pallas_point(), header.block_height())
+ }
+
+ pub fn get_point(&self, h: &str) -> Point {
+ let header = self.get(&hash(h)).unwrap();
+ header.pallas_point()
+ }
+
+ pub fn get_height(&self, h: &str) -> u64 {
+ let header = self.get(&hash(h)).unwrap();
+ header.block_height()
+ }
+}
+
+impl ChainStore for TestStore {
+ fn load_header(&self, hash: &Hash<32>) -> Option {
+ self.0.get(hash).cloned()
+ }
+
+ fn store_header(&mut self, hash: &Hash<32>, header: &Header) -> Result<(), StoreError> {
+ self.0.insert(*hash, header.clone());
+ Ok(())
+ }
+
+ fn get_nonces(&self, _header: &Hash<32>) -> Option {
+ unimplemented!()
+ }
+
+ fn put_nonces(&mut self, _header: &Hash<32>, _nonces: Nonces) -> Result<(), StoreError> {
+ unimplemented!()
+ }
+
+ fn era_history(&self) -> &slot_arithmetic::EraHistory {
+ unimplemented!()
+ }
+}
+
+pub const CHAIN_47: &str = "tests/data/chain41.json";
+pub const TIP_47: &str = "fcb4a51804f14f3f5b5ad841199b557aed0187280f7855736bdb153b0d202bb6";
+pub const LOST_47: &str = "bd41b102018a21e068d504e64b282512a3b7d5c3883b743aa070ad9244691125";
+pub const BRANCH_47: &str = "64565f22fb23476baaa6f82e0e2d68636ceadabded697099fb376c23226bdf03";
+pub const WINNER_47: &str = "66c90f54f9073cfc03a334f5b15b1617f6bf6fe6c892fad8368e16abe20b0f4f";
+
+pub fn mk_store(path: impl AsRef) -> TestStore {
+ let f = File::open(path).unwrap();
+ let json: serde_json::Value = serde_json::from_reader(f).unwrap();
+ let headers = json
+ .pointer("/stakePools/chains")
+ .unwrap()
+ .as_array()
+ .unwrap();
+
+ let mut store = HashMap::new();
+
+ for header in headers {
+ let hash = header.pointer("/hash").unwrap().as_str().unwrap();
+ let header = header.pointer("/header").unwrap().as_str().unwrap();
+ let header = hex::decode(header).unwrap();
+ store.insert(hash.parse().unwrap(), minicbor::decode(&header).unwrap());
+ }
+
+ TestStore(store)
+}
+
+pub fn hash(s: &str) -> Hash<32> {
+ Hash::<32>::from_str(s).unwrap()
+}
+
+pub fn hex(s: &str) -> Vec {
+ hex::decode(s).unwrap()
+}
+
+pub fn point(slot: u64, hash: &str) -> Point {
+ Point::Specific(slot, hex(hash))
+}
+
+pub fn amaru_point(slot: u64, hash: &str) -> amaru_kernel::Point {
+ amaru_kernel::Point::Specific(slot, hex(hash))
+}
+
+pub struct Setup {
+ pub store: TestStore,
+ runtime: AcTokio,
+ event: mpsc::Receiver,
+ block: mpsc::Sender>,
+ _tether: Tether,
+ port: u16,
+}
+
+impl Setup {
+ pub fn new(our_tip: &str) -> Setup {
+ let _ = tracing_subscriber::fmt()
+ .with_env_filter(EnvFilter::from_default_env())
+ .with_test_writer()
+ .try_init();
+
+ let store = mk_store(CHAIN_47);
+ let runtime = AcTokio::new("test", 1).unwrap();
+ let (port_tx, mut port_rx) = mpsc::channel(8);
+ let downstream = runtime
+ .spawn_actor(
+ "test",
+ |mut cell: ActoCell| async move {
+ while let ActoInput::Message(msg) = cell.recv().await {
+ port_tx.send(msg).await.unwrap();
+ }
+ },
+ )
+ .me;
+ let (block_tx, block_rx) = mpsc::channel(8);
+ let mut stage = ForwardStage::new(
+ Some(downstream),
+ Arc::new(Mutex::new(store.clone())),
+ 42,
+ "127.0.0.1:0",
+ 1,
+ store.get_tip(our_tip),
+ );
+ stage.upstream.connect(ChannelRecvAdapter::Mpsc(block_rx));
+ let tether = spawn_stage(stage, Default::default());
+
+ tracing::info!("stage state: {:?}", tether.check_state());
+ let port = block_on(&runtime, port_rx.recv()).unwrap();
+ let ForwardEvent::Listening(port) = port else {
+ panic!("expected listening event, got {:?}", port);
+ };
+ assert_ne!(port, 0);
+ tracing::info!(
+ "stage ({:?}) listening on port {}",
+ tether.check_state(),
+ port
+ );
+
+ Setup {
+ store,
+ runtime,
+ event: port_rx,
+ block: block_tx,
+ _tether: tether,
+ port,
+ }
+ }
+
+ pub fn send_validated(&mut self, s: &str) {
+ let point = self.store.get(&hash(s)).unwrap().point();
+ let span = tracing::debug_span!("whatever");
+ let f = self
+ .block
+ .send(BlockValidationResult::BlockValidated(point.clone(), span).into());
+ tracing::info!("sending block validated");
+ block_on(&self.runtime, f).unwrap();
+ tracing::info!("waiting for forward event");
+ let p = block_on(&self.runtime, self.event.recv()).unwrap();
+ let ForwardEvent::Forward(p) = p else {
+ panic!("expected forward event, got {:?}", p);
+ };
+ assert_eq!(p, point.pallas_point());
+ }
+
+ pub fn send_backward(&mut self, s: &str) {
+ let point = self.store.get(&hash(s)).unwrap().point();
+ let span = tracing::debug_span!("whatever");
+ let f = self
+ .block
+ .send(BlockValidationResult::RolledBackTo(point.clone(), span).into());
+ tracing::info!("sending block roll backward");
+ block_on(&self.runtime, f).unwrap();
+ tracing::info!("waiting for backward event");
+ let p = block_on(&self.runtime, self.event.recv()).unwrap();
+ let ForwardEvent::Backward(p) = p else {
+ panic!("expected backward event, got {:?}", p);
+ };
+ assert_eq!(p, point.pallas_point());
+ }
+
+ pub fn connect(&self) -> Client {
+ let client = block_on(
+ &self.runtime,
+ PeerClient::connect(&format!("127.0.0.1:{}", self.port), 42),
+ )
+ .unwrap();
+ Client {
+ runtime: self.runtime.clone(),
+ client,
+ }
+ }
+
+ pub fn check_header(&self, s: &str, h: &Header) {
+ let header = self.store.get(&hash(s)).unwrap();
+ assert_eq!(header.header_body, h.header_body);
+ }
+}
+
+pub struct Client {
+ runtime: AcTokioRuntime,
+ client: PeerClient,
+}
+
+impl Client {
+ pub fn find_intersect(&mut self, points: Vec) -> (Option, Tip) {
+ block_on(
+ &self.runtime,
+ self.client.chainsync().find_intersect(points),
+ )
+ .unwrap()
+ }
+
+ pub fn recv_until_await(&mut self) -> Vec {
+ let mut ops = Vec::new();
+ while let Ok(response) = block_on(&self.runtime, self.client.chainsync().request_next()) {
+ match response {
+ NextResponse::RollForward(header, tip) => {
+ ops.push(ClientMsg::Forward(from_cbor(&header.cbor).unwrap(), tip))
+ }
+ NextResponse::RollBackward(point, tip) => ops.push(ClientMsg::Backward(point, tip)),
+ NextResponse::Await => break,
+ }
+ }
+ ops
+ }
+
+ pub fn recv_n(&mut self) -> [ClientMsg; N] {
+ let mut ops = Vec::new();
+ for _ in 0..N {
+ let msg = block_on(&self.runtime, self.client.chainsync().request_next()).unwrap();
+ match msg {
+ NextResponse::RollForward(header, tip) => {
+ ops.push(ClientMsg::Forward(from_cbor(&header.cbor).unwrap(), tip))
+ }
+ NextResponse::RollBackward(point, tip) => ops.push(ClientMsg::Backward(point, tip)),
+ NextResponse::Await => break,
+ }
+ }
+ ops.try_into().unwrap()
+ }
+
+ pub fn recv_after_await(&mut self) -> ClientMsg {
+ let msg = block_on(
+ &self.runtime,
+ self.client.chainsync().recv_while_can_await(),
+ )
+ .unwrap();
+ match msg {
+ NextResponse::RollForward(header, tip) => {
+ ClientMsg::Forward(from_cbor(&header.cbor).unwrap(), tip)
+ }
+ NextResponse::RollBackward(point, tip) => ClientMsg::Backward(point, tip),
+ NextResponse::Await => panic!("unexpected await"),
+ }
+ }
+}
+
+#[derive(Clone)]
+#[allow(clippy::large_enum_variant)]
+pub enum ClientMsg {
+ Forward(Header, Tip),
+ Backward(Point, Tip),
+}
+
+impl std::fmt::Debug for ClientMsg {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ match self {
+ Self::Forward(header, tip) => f
+ .debug_struct("Forward")
+ .field(
+ "header",
+ &(header.block_height(), PrettyPoint(&header.pallas_point())),
+ )
+ .field("tip", &(tip.1, PrettyPoint(&tip.0)))
+ .finish(),
+ Self::Backward(point, tip) => f
+ .debug_struct("Backward")
+ .field("point", &PrettyPoint(point))
+ .field("tip", &(tip.1, PrettyPoint(&tip.0)))
+ .finish(),
+ }
+ }
+}
+
+impl PartialEq for ClientMsg {
+ fn eq(&self, other: &Self) -> bool {
+ match (self, other) {
+ (ClientMsg::Forward(lh, lt), ClientMsg::Forward(rh, rt)) => {
+ lh == rh && (<.0, lt.1) == (&rt.0, rt.1)
+ }
+ (ClientMsg::Backward(lp, lt), ClientMsg::Backward(rp, rt)) => {
+ lp == rp && (<.0, lt.1) == (&rt.0, rt.1)
+ }
+ _ => false,
+ }
+ }
+}
+fn block_on(runtime: &AcTokioRuntime, f: F) -> F::Output {
+ runtime
+ .with_rt(|rt| {
+ let _x = rt.enter();
+ rt.block_on(timeout(Duration::from_secs(1), f))
+ })
+ .unwrap()
+ .unwrap()
+}
diff --git a/crates/amaru/src/stages/consensus/chain_forward/tests.rs b/crates/amaru/src/stages/consensus/chain_forward/tests.rs
new file mode 100644
index 000000000..4c2d95415
--- /dev/null
+++ b/crates/amaru/src/stages/consensus/chain_forward/tests.rs
@@ -0,0 +1,172 @@
+use super::{
+ client_state::find_headers_between,
+ test_infra::{
+ hash, mk_store, ClientMsg, Setup, BRANCH_47, CHAIN_47, LOST_47, TIP_47, WINNER_47,
+ },
+};
+use crate::stages::{AsTip, PallasPoint};
+use amaru_consensus::IsHeader;
+use pallas_network::miniprotocols::chainsync::Tip;
+use pallas_network::miniprotocols::Point;
+
+#[test]
+fn test_mk_store() {
+ let store = mk_store(CHAIN_47);
+ assert_eq!(store.len(), 48);
+ let chain = store.get_chain(TIP_47);
+ assert_eq!(chain.len(), 47);
+ assert_eq!(chain[0].header_body.slot, 31);
+ assert_eq!(chain[46].header_body.slot, 990);
+ assert_eq!(chain[6].block_height(), 7);
+}
+
+#[test]
+fn find_headers_between_tip_and_tip() {
+ let store = mk_store(CHAIN_47);
+
+ let tip = store.get_point(TIP_47);
+ let points = [store.get_point(TIP_47)];
+
+ let (ops, Tip(p, h)) = find_headers_between(&store, &tip, &points).unwrap();
+ assert_eq!((ops, p, h), (vec![], tip, 47));
+}
+
+#[test]
+fn find_headers_between_tip_and_branch() {
+ let store = mk_store(CHAIN_47);
+
+ let tip = store.get_point(TIP_47);
+ let points = [store.get_point(BRANCH_47)];
+ let peer = store.get_point(BRANCH_47);
+
+ let (ops, Tip(p, h)) = find_headers_between(&store, &tip, &points).unwrap();
+ assert_eq!(
+ (ops.len() as u64, p, h),
+ (
+ store.get_height(TIP_47) - store.get_height(BRANCH_47),
+ peer,
+ store.get_height(BRANCH_47)
+ )
+ );
+}
+
+#[test]
+fn find_headers_between_tip_and_branches() {
+ let store = mk_store(CHAIN_47);
+
+ let tip = store.get_point(TIP_47);
+ // Note that the below scheme does not match the documented behaviour, which shall pick the first from
+ // the list that is on the same chain. But that doesn't make sense to me at all.
+ let points = [
+ store.get_point(BRANCH_47), // this will lose to the (taller) winner
+ store.get_point(LOST_47), // this is not on the same chain
+ store.get_point(WINNER_47), // this is the winner after the branch
+ ];
+ let peer = store.get_point(WINNER_47);
+
+ let (ops, Tip(p, h)) = find_headers_between(&store, &tip, &points).unwrap();
+ assert_eq!(
+ (ops.len() as u64, p, h),
+ (
+ store.get_height(TIP_47) - store.get_height(WINNER_47),
+ peer,
+ store.get_height(WINNER_47)
+ )
+ );
+}
+
+#[test]
+fn find_headers_between_tip_and_lost() {
+ let store = mk_store(CHAIN_47);
+
+ let tip = store.get_point(TIP_47);
+ let points = [store.get_point(LOST_47)];
+
+ let result = find_headers_between(&store, &tip, &points).unwrap();
+ assert_eq!(result.0.len() as u64, store.get_height(TIP_47));
+ assert_eq!(result.1 .0, Point::Origin);
+ assert_eq!(result.1 .1, 0);
+}
+
+#[test]
+fn test_chain_sync() {
+ let mut setup = Setup::new(LOST_47);
+ let chain = setup.store.get_chain(TIP_47);
+ let lost = setup.store.get(&hash(LOST_47)).unwrap().clone();
+
+ let mut client = setup.connect();
+
+ let (p, t) = client.find_intersect(vec![chain[6].pallas_point()]);
+
+ assert_eq!(p, Some(setup.store.get_point(BRANCH_47)));
+ assert_eq!(t.0, lost.pallas_point());
+ assert_eq!(t.1, lost.block_height());
+
+ let headers = client.recv_until_await();
+ assert_eq!(
+ headers,
+ vec![ClientMsg::Forward(lost.clone(), lost.as_tip())]
+ );
+
+ setup.send_backward(BRANCH_47);
+ setup.send_validated(WINNER_47);
+ setup.send_validated(&chain[8].hash().to_string());
+ let msg = client.recv_after_await();
+ assert_eq!(
+ msg,
+ // out tip comes out as chain[6] here because previously client.recv_until_await already
+ // asked for the next op, which means the Backward got sent before the BlockValidated
+ // updated the `our_tip` pointer
+ ClientMsg::Backward(chain[6].pallas_point(), chain[6].as_tip())
+ );
+
+ let headers = client.recv_until_await();
+ assert_eq!(
+ headers,
+ vec![
+ ClientMsg::Forward(chain[7].clone(), chain[8].as_tip()),
+ ClientMsg::Forward(chain[8].clone(), chain[8].as_tip()),
+ ]
+ );
+
+ // Note: there’s no way to shut down the gasket stage without logging to ERRORs, sorry
+}
+
+#[test]
+fn test_sync_optimising_rollback() {
+ let mut setup = Setup::new(LOST_47);
+ let chain = setup.store.get_chain(TIP_47);
+ let lost = setup.store.get(&hash(LOST_47)).unwrap().clone();
+
+ let mut client = setup.connect();
+ client.find_intersect(vec![]).0.expect("no intersection");
+
+ let msgs = client.recv_n::<4>();
+ assert_eq!(
+ msgs,
+ [
+ ClientMsg::Forward(chain[0].clone(), lost.as_tip()),
+ ClientMsg::Forward(chain[1].clone(), lost.as_tip()),
+ ClientMsg::Forward(chain[2].clone(), lost.as_tip()),
+ ClientMsg::Forward(chain[3].clone(), lost.as_tip()),
+ ]
+ );
+
+ setup.send_backward(BRANCH_47);
+ setup.send_validated(&chain[7].hash().to_string());
+ setup.send_validated(&chain[8].hash().to_string());
+ setup.send_validated(&chain[9].hash().to_string());
+
+ let msgs = client.recv_until_await();
+ assert_eq!(
+ msgs,
+ [
+ ClientMsg::Forward(chain[4].clone(), chain[9].as_tip()),
+ ClientMsg::Forward(chain[5].clone(), chain[9].as_tip()),
+ ClientMsg::Forward(chain[6].clone(), chain[9].as_tip()),
+ ClientMsg::Forward(chain[7].clone(), chain[9].as_tip()),
+ ClientMsg::Forward(chain[8].clone(), chain[9].as_tip()),
+ ClientMsg::Forward(chain[9].clone(), chain[9].as_tip()),
+ ]
+ );
+}
diff --git a/crates/amaru/src/stages/mod.rs b/crates/amaru/src/stages/mod.rs
index e86e99c22..fe6a6e6f4 100644
--- a/crates/amaru/src/stages/mod.rs
+++ b/crates/amaru/src/stages/mod.rs
@@ -19,9 +19,9 @@ use amaru_consensus::{
store::ChainStore,
},
peer::Peer,
- ConsensusError,
+ ConsensusError, IsHeader,
};
-use amaru_kernel::{network::NetworkName, EraHistory, Hash, Header, Point};
+use amaru_kernel::{network::NetworkName, EraHistory, Hash, Header};
use amaru_stores::rocksdb::{consensus::RocksDBStore, RocksDB};
use consensus::{
chain_forward::ForwardStage,
@@ -32,7 +32,10 @@ use gasket::{
messaging::{tokio::funnel_ports, OutputPort},
runtime::Tether,
};
-use pallas_network::facades::PeerClient;
+use pallas_network::{
+ facades::PeerClient,
+ miniprotocols::{chainsync::Tip, Point},
+};
use std::{path::PathBuf, sync::Arc};
use tokio::sync::Mutex;
@@ -47,6 +50,9 @@ pub struct Config {
pub chain_dir: PathBuf,
pub upstream_peers: Vec,
pub network: NetworkName,
+ pub network_magic: u32,
+ pub listen_address: String,
+ pub max_downstream_peers: usize,
}
/// A session with a peer, including the peer itself and a client to communicate with it.
@@ -86,7 +92,18 @@ pub fn bootstrap(
.map(|session| pull::Stage::new(session.clone(), vec![tip.clone()]))
.collect::>();
let chain_store = RocksDBStore::new(config.chain_dir.clone(), era_history)?;
- let chain_selector = make_chain_selector(tip, &chain_store, &peer_sessions)?;
+
+ let our_tip = if let amaru_kernel::Point::Specific(_slot, hash) = &tip {
+ #[allow(clippy::expect_used)]
+ let header: Header = chain_store
+ .load_header(&Hash::from(&**hash))
+ .expect("Tip not found");
+ Tip(header.pallas_point(), header.block_height())
+ } else {
+ Tip(Point::Origin, 0)
+ };
+
+ let chain_selector = make_chain_selector(tip.clone(), &chain_store, &peer_sessions)?;
let chain_ref = Arc::new(Mutex::new(chain_store));
let consensus = Consensus::new(
Box::new(ledger.state.view_stake_distribution()),
@@ -95,7 +112,14 @@ pub fn bootstrap(
);
let mut consensus_stage = HeaderStage::new(consensus);
- let mut block_forward = ForwardStage::new(chain_ref.clone());
+ let mut block_forward = ForwardStage::new(
+ None,
+ chain_ref.clone(),
+ config.network_magic as u64,
+ &config.listen_address,
+ config.max_downstream_peers,
+ our_tip,
+ );
let (to_block_fetch, from_consensus_stage) = gasket::messaging::tokio::mpsc_channel(50);
let (to_ledger, from_block_fetch) = gasket::messaging::tokio::mpsc_channel(50);
@@ -134,7 +158,7 @@ pub fn bootstrap(
}
fn make_chain_selector(
- tip: Point,
+ tip: amaru_kernel::Point,
chain_store: &impl ChainStore,
peers: &Vec,
) -> Result>>, ConsensusError> {
@@ -152,3 +176,38 @@ fn make_chain_selector(
Ok(Arc::new(Mutex::new(builder.build()?)))
}
+
+pub trait PallasPoint {
+ fn pallas_point(&self) -> pallas_network::miniprotocols::Point;
+}
+
+impl PallasPoint for Header {
+ fn pallas_point(&self) -> pallas_network::miniprotocols::Point {
+ to_pallas_point(&self.point())
+ }
+}
+
+impl PallasPoint for amaru_kernel::Point {
+ fn pallas_point(&self) -> pallas_network::miniprotocols::Point {
+ to_pallas_point(self)
+ }
+}
+
+fn to_pallas_point(point: &amaru_kernel::Point) -> pallas_network::miniprotocols::Point {
+ match point {
+ amaru_kernel::Point::Origin => pallas_network::miniprotocols::Point::Origin,
+ amaru_kernel::Point::Specific(slot, hash) => {
+ pallas_network::miniprotocols::Point::Specific(*slot, hash.clone())
+ }
+ }
+}
+
+pub trait AsTip {
+ fn as_tip(&self) -> Tip;
+}
+
+impl AsTip for Header {
+ fn as_tip(&self) -> Tip {
+ Tip(self.pallas_point(), self.block_height())
+ }
+}
diff --git a/crates/amaru/tests/data/chain41.json b/crates/amaru/tests/data/chain41.json
new file mode 100644
index 000000000..729bd3ea1
--- /dev/null
+++ b/crates/amaru/tests/data/chain41.json
@@ -0,0 +1,574 @@
+{
+ "context": {
+ "activeSlotCoeff": 5.0e-2,
+ "nonce": "ec08f270a044fb94bf61f9870e928a96cf75027d1f0e9f5dead0651b40849a89",
+ "praosMaxKESEvo": 63,
+ "praosSlotsPerKESPeriod": 2048
+ },
+ "stakePools": {
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+ "individualTotalPoolStake": 625000000000000
+ },
+ "kesSignKey": "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",
+ "ocertCounter": 76,
+ "poolId": "50484a702b93327308d85f51f1831940fdddcb751bf43bc3376c42b9",
+ "poolIdx": 1,
+ "vrfSignKey": "ddd17f518daebb08a25d00b3913eb00777978b473d42f0b637eae26a41fb9c8c349fa6de24709731a7f27d0e4f711d73018f285d2bf91fd0bcc67559c478a2e7"
+ }
+ ]
+ }
+}
diff --git a/examples/Cargo.lock b/examples/Cargo.lock
index 0846b01e2..78197288a 100644
--- a/examples/Cargo.lock
+++ b/examples/Cargo.lock
@@ -56,12 +56,10 @@ dependencies = [
"iter-borrow",
"num",
"serde",
- "serde_json",
"slot-arithmetic",
"thiserror 2.0.12",
"tracing",
"tracing-json",
- "tracing-subscriber",
]
[[package]]
diff --git a/scripts/demo.sh b/scripts/demo.sh
index 64f445ade..d5f12dd99 100755
--- a/scripts/demo.sh
+++ b/scripts/demo.sh
@@ -19,9 +19,17 @@ fi
NETWORK=${3:-preprod}
+LEDGER_DIR=${LEDGER_DIR:-./ledger.db}
+
+CHAIN_DIR=${CHAIN_DIR:-./chain.db}
+
echo -e " \033[1;32mTarget\033[00m epoch $TARGET_EPOCH"
set -eo pipefail
-AMARU_TRACE="amaru=info" cargo run -- --with-json-traces daemon --peer-address=$PEER_ADDRESS --network=$NETWORK | while read line; do
+AMARU_TRACE="amaru=info" cargo run -- --with-json-traces daemon \
+ --peer-address="${PEER_ADDRESS}" \
+ --network="${NETWORK}" \
+ --chain-dir="${CHAIN_DIR}" \
+ --ledger-dir="${LEDGER_DIR}" | while read line; do
EVENT=$(echo $line | jq -r '.fields.message' 2>/dev/null)
SPAN=$(echo $line | jq -r '.span.name' 2>/dev/null)
if [ "$EVENT" == "exit" ] && [ "$SPAN" == "epoch_transition" ]; then