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common: remove ToHex and ToHexArray (#21610)

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ToHex was deprecated a couple years ago. The last remaining use
was in ToHexArray, which itself only had a single call site.

This just moves ToHexArray near its only remaining call site and
implements it using hexutil.Encode. This changes the default behaviour
of ToHexArray and with it the behaviour of eth_getProof. Previously we
encoded an empty slice as 0, now the empty slice is encoded as 0x.
This commit is contained in:
Marius van der Wijden
2020-11-04 11:20:39 +01:00
committed by GitHub
parent b63bffe820
commit 3eebf34038
2 changed files with 14 additions and 24 deletions
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13
internal/ethapi/api.go
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@ -599,7 +599,7 @@ func (s *PublicBlockChainAPI) GetProof(ctx context.Context, address common.Addre
if storageError != nil {
return nil, storageError
}
storageProof[i] = StorageResult{key, (*hexutil.Big)(state.GetState(address, common.HexToHash(key)).Big()), common.ToHexArray(proof)}
storageProof[i] = StorageResult{key, (*hexutil.Big)(state.GetState(address, common.HexToHash(key)).Big()), toHexSlice(proof)}
} else {
storageProof[i] = StorageResult{key, &hexutil.Big{}, []string{}}
}
@ -613,7 +613,7 @@ func (s *PublicBlockChainAPI) GetProof(ctx context.Context, address common.Addre
return &AccountResult{
Address: address,
AccountProof: common.ToHexArray(accountProof),
AccountProof: toHexSlice(accountProof),
Balance: (*hexutil.Big)(state.GetBalance(address)),
CodeHash: codeHash,
Nonce: hexutil.Uint64(state.GetNonce(address)),
@ -1943,3 +1943,12 @@ func checkTxFee(gasPrice *big.Int, gas uint64, cap float64) error {
}
return nil
}
// toHexSlice creates a slice of hex-strings based on []byte.
func toHexSlice(b [][]byte) []string {
r := make([]string, len(b))
for i := range b {
r[i] = hexutil.Encode(b[i])
}
return r
}