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eth: change chainID method to return chainID from config or error if before EIP-155 #21686

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merged 4 commits into from
Jan 12, 2021
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eth: change chainID method to return chainID from config or error if before EIP-155 #21686

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b306f01
add a method to eth, unsafe? chainID
renaynay Oct 11, 2020
871a47b
chainID returns config chainID, extra method EIP155 to check if block…
renaynay Oct 12, 2020
0af9293
simplify
renaynay Nov 25, 2020
4310f63
return err if chain not synced beyond EIP155 fork block
renaynay Dec 8, 2020
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8 changes: 4 additions & 4 deletions eth/api.go
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Original file line number Diff line number Diff line change
Expand Up @@ -67,12 +67,12 @@ func (api *PublicEthereumAPI) Hashrate() hexutil.Uint64 {
}

// ChainId is the EIP-155 replay-protection chain id for the current ethereum chain config.
func (api *PublicEthereumAPI) ChainId() hexutil.Uint64 {
chainID := new(big.Int)
func (api *PublicEthereumAPI) ChainId() (hexutil.Uint64, error) {
// if current block is at or past the EIP-155 replay-protection fork block, return chainID from config
if config := api.e.blockchain.Config(); config.IsEIP155(api.e.blockchain.CurrentBlock().Number()) {
chainID = config.ChainID
return (hexutil.Uint64)(config.ChainID.Uint64()), nil
}
return (hexutil.Uint64)(chainID.Uint64())
return hexutil.Uint64(0), fmt.Errorf("chain not synced beyond EIP-155 replay-protection fork block")
}

// PublicMinerAPI provides an API to control the miner.
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