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internal/ethapi: add error into message

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This commit is contained in:
Felix Lange 2025-11-28 10:39:46 +01:00
parent c31bd7cf4d
commit 3d9c7e5a9a
1 changed files with 10 additions and 9 deletions
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19
internal/ethapi/api.go
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@ -374,9 +374,9 @@ func (api *BlockChainAPI) GetProof(ctx context.Context, address common.Address,
// Deserialize all keys. This prevents state access on invalid input.
for i, hexKey := range storageKeys {
var err error
keys[i], keyLengths[i], err = decodeHash(hexKey)
keys[i], keyLengths[i], err = decodeStorageKey(hexKey)
if err != nil {
return nil, &invalidParamsError{fmt.Sprintf("invalid storage key %q", hexKey)}
return nil, &invalidParamsError{fmt.Sprintf("%v: %q", err, hexKey)}
}
}
statedb, header, err := api.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
@ -441,9 +441,10 @@ func (api *BlockChainAPI) GetProof(ctx context.Context, address common.Address,
}, statedb.Error()
}
// decodeHash parses a hex-encoded 32-byte hash. The input may optionally
// be prefixed by 0x and can have a byte length up to 32.
func decodeHash(s string) (h common.Hash, inputLength int, err error) {
// decodeStorageKey parses a hex-encoded 32-byte hash.
// For legacy compatibility reasons, we parse these keys leniently,
// with the 0x prefix being optional.
func decodeStorageKey(s string) (h common.Hash, inputLength int, err error) {
if strings.HasPrefix(s, "0x") || strings.HasPrefix(s, "0X") {
s = s[2:]
}
@ -451,11 +452,11 @@ func decodeHash(s string) (h common.Hash, inputLength int, err error) {
s = "0" + s
}
if len(s) > 64 {
return common.Hash{}, len(s) / 2, errors.New("hex string too long, want at most 32 bytes")
return common.Hash{}, len(s) / 2, errors.New("storage key too long (want at most 32 bytes)")
}
b, err := hex.DecodeString(s)
if err != nil {
return common.Hash{}, 0, errors.New("hex string invalid")
return common.Hash{}, 0, errors.New("invalid hex in storage key")
}
return common.BytesToHash(b), len(b), nil
}
@ -589,9 +590,9 @@ func (api *BlockChainAPI) GetStorageAt(ctx context.Context, address common.Addre
if state == nil || err != nil {
return nil, err
}
key, _, err := decodeHash(hexKey)
key, _, err := decodeStorageKey(hexKey)
if err != nil {
return nil, &invalidParamsError{fmt.Sprintf("invalid storage key: %q", hexKey)}
return nil, &invalidParamsError{fmt.Sprintf("%v: %q", err, hexKey)}
}
res := state.GetState(address, key)
return res[:], state.Error()