/
avalanche_subnet.go
126 lines (121 loc) · 4.79 KB
/
avalanche_subnet.go
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package common
import (
"encoding/json"
"errors"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
)
// AvaSubnetHeader is a copy of [github.com/ava-labs/subnet-evm/core/types.Header] to avoid importing the whole module.
type AvaSubnetHeader struct {
ParentHash common.Hash `json:"parentHash" gencodec:"required"`
UncleHash common.Hash `json:"sha3Uncles" gencodec:"required"`
Coinbase common.Address `json:"miner" gencodec:"required"`
Root common.Hash `json:"stateRoot" gencodec:"required"`
TxHash common.Hash `json:"transactionsRoot" gencodec:"required"`
ReceiptHash common.Hash `json:"receiptsRoot" gencodec:"required"`
Bloom AvaBloom `json:"logsBloom" gencodec:"required"`
Difficulty *big.Int `json:"difficulty" gencodec:"required"`
Number *big.Int `json:"number" gencodec:"required"`
GasLimit uint64 `json:"gasLimit" gencodec:"required"`
GasUsed uint64 `json:"gasUsed" gencodec:"required"`
Time uint64 `json:"timestamp" gencodec:"required"`
Extra []byte `json:"extraData" gencodec:"required"`
MixDigest common.Hash `json:"mixHash"`
Nonce AvaBlockNonce `json:"nonce"`
BaseFee *big.Int `json:"baseFeePerGas" rlp:"optional"`
BlockGasCost *big.Int `json:"blockGasCost" rlp:"optional"`
}
func (h *AvaSubnetHeader) UnmarshalJSON(input []byte) error {
type Header struct {
ParentHash *common.Hash `json:"parentHash" gencodec:"required"`
UncleHash *common.Hash `json:"sha3Uncles" gencodec:"required"`
Coinbase *common.Address `json:"miner" gencodec:"required"`
Root *common.Hash `json:"stateRoot" gencodec:"required"`
TxHash *common.Hash `json:"transactionsRoot" gencodec:"required"`
ReceiptHash *common.Hash `json:"receiptsRoot" gencodec:"required"`
Bloom *AvaBloom `json:"logsBloom" gencodec:"required"`
Difficulty *hexutil.Big `json:"difficulty" gencodec:"required"`
Number *hexutil.Big `json:"number" gencodec:"required"`
GasLimit *hexutil.Uint64 `json:"gasLimit" gencodec:"required"`
GasUsed *hexutil.Uint64 `json:"gasUsed" gencodec:"required"`
Time *hexutil.Uint64 `json:"timestamp" gencodec:"required"`
Extra *hexutil.Bytes `json:"extraData" gencodec:"required"`
MixDigest *common.Hash `json:"mixHash"`
Nonce *AvaBlockNonce `json:"nonce"`
BaseFee *hexutil.Big `json:"baseFeePerGas" rlp:"optional"`
BlockGasCost *hexutil.Big `json:"blockGasCost" rlp:"optional"`
}
var dec Header
if err := json.Unmarshal(input, &dec); err != nil {
return err
}
if dec.ParentHash == nil {
return errors.New("missing required field 'parentHash' for Header")
}
h.ParentHash = *dec.ParentHash
if dec.UncleHash == nil {
return errors.New("missing required field 'sha3Uncles' for Header")
}
h.UncleHash = *dec.UncleHash
if dec.Coinbase == nil {
return errors.New("missing required field 'miner' for Header")
}
h.Coinbase = *dec.Coinbase
if dec.Root == nil {
return errors.New("missing required field 'stateRoot' for Header")
}
h.Root = *dec.Root
if dec.TxHash == nil {
return errors.New("missing required field 'transactionsRoot' for Header")
}
h.TxHash = *dec.TxHash
if dec.ReceiptHash == nil {
return errors.New("missing required field 'receiptsRoot' for Header")
}
h.ReceiptHash = *dec.ReceiptHash
if dec.Bloom == nil {
return errors.New("missing required field 'logsBloom' for Header")
}
h.Bloom = *dec.Bloom
if dec.Difficulty == nil {
return errors.New("missing required field 'difficulty' for Header")
}
h.Difficulty = (*big.Int)(dec.Difficulty)
if dec.Number == nil {
return errors.New("missing required field 'number' for Header")
}
h.Number = (*big.Int)(dec.Number)
if dec.GasLimit == nil {
return errors.New("missing required field 'gasLimit' for Header")
}
h.GasLimit = uint64(*dec.GasLimit)
if dec.GasUsed == nil {
return errors.New("missing required field 'gasUsed' for Header")
}
h.GasUsed = uint64(*dec.GasUsed)
if dec.Time == nil {
return errors.New("missing required field 'timestamp' for Header")
}
h.Time = uint64(*dec.Time)
if dec.Extra == nil {
return errors.New("missing required field 'extraData' for Header")
}
h.Extra = *dec.Extra
if dec.MixDigest != nil {
h.MixDigest = *dec.MixDigest
}
if dec.Nonce != nil {
h.Nonce = *dec.Nonce
}
if dec.BaseFee != nil {
h.BaseFee = (*big.Int)(dec.BaseFee)
}
if dec.BlockGasCost != nil {
h.BlockGasCost = (*big.Int)(dec.BlockGasCost)
}
return nil
}
func (h *AvaSubnetHeader) Hash() common.Hash {
return rlpHash(h)
}