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feat(core/block): add epochSnarkData to the celo block #46

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Jul 9, 2020
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feat(core/block): add epochSnarkData to the celo block #46

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5eb0a06
feat(core/block): add epochSnarkData to the celo block
gakonst Jul 2, 2020
c5895cb
test(block): add celo celo snark data test
gakonst Jul 2, 2020
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46 changes: 35 additions & 11 deletions ethers-core/src/types/chainstate/block.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,16 +2,6 @@
use crate::types::{Address, Bloom, Bytes, H256, U256, U64};
use serde::{ser::SerializeStruct, Deserialize, Serialize, Serializer};

#[derive(Debug, Default, Clone, PartialEq, Deserialize, Serialize)]
#[cfg(feature = "celo")]
///
pub struct Randomness {
/// The committed randomness for that block
pub committed: Bytes,
/// The revealed randomness for that block
pub revealed: Bytes,
}

/// The block type returned from RPC calls.
/// This is generic over a `TX` type which will be either the hash or the
#[derive(Debug, Default, Clone, PartialEq, Deserialize, Serialize)]
Expand Down Expand Up @@ -82,6 +72,33 @@ pub struct Block<TX> {
#[cfg_attr(docsrs, doc(cfg(feature = "celo")))]
/// The block's randomness
pub randomness: Randomness,

/// BLS signatures with a SNARK-friendly hash function
#[cfg(feature = "celo")]
#[cfg_attr(docsrs, doc(cfg(feature = "celo")))]
#[serde(rename = "epochSnarkData", default)]
pub epoch_snark_data: EpochSnarkData,
}

#[derive(Debug, Default, Clone, PartialEq, Deserialize, Serialize)]
#[cfg(feature = "celo")]
/// Commit-reveal data for generating randomness in the
/// [Celo protocol](https://docs.celo.org/celo-codebase/protocol/identity/randomness)
pub struct Randomness {
/// The committed randomness for that block
pub committed: Bytes,
/// The revealed randomness for that block
pub revealed: Bytes,
}

#[derive(Debug, Default, Clone, PartialEq, Deserialize, Serialize)]
#[cfg(feature = "celo")]
/// SNARK-friendly epoch block signature and bitmap
pub struct EpochSnarkData {
/// The bitmap showing which validators signed on the epoch block
pub bitmap: Bytes,
/// Signature using a SNARK-friendly hash
pub signature: Bytes,
}

#[derive(Copy, Clone, Debug, PartialEq)]
Expand Down Expand Up @@ -194,8 +211,15 @@ mod celo_tests {
use crate::types::Transaction;

#[test]
fn block() {
fn block_without_snark_data() {
let block = r#"{"extraData":"0xd983010000846765746889676f312e31332e3130856c696e7578000000000000f8b2c0c080b841cfa11585812ec794c4baa46178690971b3c72e367211d68a9ea318ff500c5aeb7099cafc965240e3b57cf7355341cf76bdca74530334658370d2df7b2e030ab200f582027db017810fa05b4f35927f968f6be1a61e322d4ace3563feb8a489690a91c031fda640c55c216f6712a7bdde994338a5610080f58203ffb093cd643f5154979952791ff714eb885df0f18012f2211fb8c29a8947130dc3adf4ecb48a3c4a142a0faa51e5c60b048180","gasUsed":"0xbef6","hash":"0x37ac2818e50e61f0566caea102ed98677f2552fa86fed53443315ed11fe0eaad","logsBloom":"0x00000800000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000100000000000000000000000000000000000000000000000000000000000000080000000000001020000400000000000000000000000000000000000000000000000000000000000080000000000000000000000000400000000000000000000000000000000000000100000040004000000000000800000000000000000084000000000000000000000000000000000020000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000","miner":"0xcda518f6b5a797c3ec45d37c65b83e0b0748edca","number":"0x1b4","parentHash":"0xa6b4775f600c2981f9142cbc1361db02c7ba8c185a1110537b255356876301a2","randomness":{"committed":"0x049e84c89f1aa0e3a770b2545b05a30eb814dae322e7247fd2bf27e6cacb1f51","revealed":"0x5a8826bf59a7ed1ee86a9d6464fa9c1fcece78ffa7cf32b11a03ad251ddcefe6"},"receiptsRoot":"0x1724dc3e7c2bfa03974c1deedf5ea20ad30b72e25f3c62fbb5fd06fc107068d7","size":"0x3a0","stateRoot":"0xc45fa03e69dccb54b4981d23d77328ab8906ddd7a0d8238b9c54ae1a14df4d1c","timestamp":"0x5e90166d","totalDifficulty":"0x1b5","transactions":[{"blockHash":"0x37ac2818e50e61f0566caea102ed98677f2552fa86fed53443315ed11fe0eaad","blockNumber":"0x1b4","from":"0x456f41406b32c45d59e539e4bba3d7898c3584da","gas":"0x1312d00","gasPrice":"0x174876e800","feeCurrency":null,"gatewayFeeRecipient":null,"gatewayFee":"0x0","hash":"0xf7b1b588b1fc03305f556805812273d80fb61fc0ba7f812de27189e95c5ecfc5","input":"0xed385274000000000000000000000000b9ff7ab50a2f0fd3e2fb2814b016ac90c91df98f03386ba30000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000be951906eba2aa800000","nonce":"0x147","to":"0xa12a699c641cc875a7ca57495861c79c33d293b4","transactionIndex":"0x0","value":"0x0","v":"0x15e08","r":"0x5787d040d09a34cb2b9ffcd096be7fe66aa6a3ed0632f182d1f3045640a9ef8b","s":"0x7897f58740f2a1c645826579106a620c306fc56381520ae2f28880bb284c4abd"}],"transactionsRoot":"0xbc8cb40b809914b9cd735b12e9b1802cf5d85de5223a22bbdb249a7e8b45ec93"}"#;
let block: Block<Transaction> = serde_json::from_str(&block).unwrap();
assert_eq!(block.epoch_snark_data, EpochSnarkData::default());
}

#[test]
fn block_with_snark_data() {
let block = r#"{"extraData":"0xd983010000846765746889676f312e31332e3130856c696e7578000000000000f8b2c0c080b841cfa11585812ec794c4baa46178690971b3c72e367211d68a9ea318ff500c5aeb7099cafc965240e3b57cf7355341cf76bdca74530334658370d2df7b2e030ab200f582027db017810fa05b4f35927f968f6be1a61e322d4ace3563feb8a489690a91c031fda640c55c216f6712a7bdde994338a5610080f58203ffb093cd643f5154979952791ff714eb885df0f18012f2211fb8c29a8947130dc3adf4ecb48a3c4a142a0faa51e5c60b048180","gasUsed":"0xbef6","hash":"0x37ac2818e50e61f0566caea102ed98677f2552fa86fed53443315ed11fe0eaad","logsBloom":"0x00000800000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020000000100000000000000000000000000000000000000000000000000000000000000080000000000001020000400000000000000000000000000000000000000000000000000000000000080000000000000000000000000400000000000000000000000000000000000000100000040004000000000000800000000000000000084000000000000000000000000000000000020000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000","miner":"0xcda518f6b5a797c3ec45d37c65b83e0b0748edca","number":"0x1b4","parentHash":"0xa6b4775f600c2981f9142cbc1361db02c7ba8c185a1110537b255356876301a2","randomness":{"committed":"0x049e84c89f1aa0e3a770b2545b05a30eb814dae322e7247fd2bf27e6cacb1f51","revealed":"0x5a8826bf59a7ed1ee86a9d6464fa9c1fcece78ffa7cf32b11a03ad251ddcefe6"},"receiptsRoot":"0x1724dc3e7c2bfa03974c1deedf5ea20ad30b72e25f3c62fbb5fd06fc107068d7","size":"0x3a0","stateRoot":"0xc45fa03e69dccb54b4981d23d77328ab8906ddd7a0d8238b9c54ae1a14df4d1c","timestamp":"0x5e90166d","totalDifficulty":"0x1b5","transactions":[{"blockHash":"0x37ac2818e50e61f0566caea102ed98677f2552fa86fed53443315ed11fe0eaad","blockNumber":"0x1b4","from":"0x456f41406b32c45d59e539e4bba3d7898c3584da","gas":"0x1312d00","gasPrice":"0x174876e800","feeCurrency":null,"gatewayFeeRecipient":null,"gatewayFee":"0x0","hash":"0xf7b1b588b1fc03305f556805812273d80fb61fc0ba7f812de27189e95c5ecfc5","input":"0xed385274000000000000000000000000b9ff7ab50a2f0fd3e2fb2814b016ac90c91df98f03386ba30000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000be951906eba2aa800000","nonce":"0x147","to":"0xa12a699c641cc875a7ca57495861c79c33d293b4","transactionIndex":"0x0","value":"0x0","v":"0x15e08","r":"0x5787d040d09a34cb2b9ffcd096be7fe66aa6a3ed0632f182d1f3045640a9ef8b","s":"0x7897f58740f2a1c645826579106a620c306fc56381520ae2f28880bb284c4abd"}],"transactionsRoot":"0xbc8cb40b809914b9cd735b12e9b1802cf5d85de5223a22bbdb249a7e8b45ec93","epochSnarkData":{"bitmap": "0x01a72267ae3fe9fffb","signature": "0xcd803565d415c14b42d3aee51c5de1f6fd7d33cd036f03178c104c787a6ceafb8dd2b357d5fb5992fc2a23706625c800"}}"#;
let _block: Block<Transaction> = serde_json::from_str(&block).unwrap();
}
}