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SignMessage Precompile WIP #71

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SignMessage Precompile WIP #71

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16 changes: 15 additions & 1 deletion specs/rigil/precompiles.md
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Expand Up @@ -23,10 +23,11 @@ custom_edit_url: "https://github.com/flashbots/suave-specs/edit/main/specs/rigil
- [`SimulateBundle`](#simulatebundle)
- [`ExtractHint`](#extracthint)
- [`SubmitBundleJsonRPC`](#submitbundlejsonrpc)
- [`FillMevShareBundleAddress`](#fillmevsharebundleaddress)
- [`FillMevShareBundle`](#fillmevsharebundle)
- [`BuildEthBlock`](#buildethblock)
- [`SubmitEthBlockBidToRelay`](#submitethblockbidtorelay)
- [`SignEthTransaction`](#signethtransaction)
- [`SignMessage`](#signmessage)
- [Precompiles Governance](#precompiles-governance)

<!-- /TOC -->
Expand Down Expand Up @@ -220,6 +221,19 @@ Signs an Ethereum Transaction, 1559 or Legacy, and returns raw signed transactio
function signEthTransaction(bytes memory txn, string memory chainId, string memory signingKey) view returns (bytes memory)
```

### `SignMessage`

[🔗 Implementation - WIP]()

Address: `0x0000000000000000000000000000000040100003`

Signs an arbitrary digest represented as bytes and returns bytes representing signed message. `digest` is bytes representation of the digest. `signingKey` is hex encoded string of the ECDSA private key *without the 0x prefix*.

```solidity
function signMessage(bytes memory digest, string memory signingKey) view returns (bytes memory)
```


## Precompiles Governance

The governance process for adding precompiles is in it's early stages but is as follows:
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