mirror of
https://github.com/luxfi/migrate.git
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zeekay
7464edd15d
- Export all accounts from snapshot with genesis block (ExportBlocksWithState) - Add preimage support for address recovery from hash - Add custom JSON marshaling for Account with hex encoding - Update import-rpc to pass stateChanges to migrate API - Always export state (not optional) for complete migrations
89 lines
3.1 KiB
Go
89 lines
3.1 KiB
Go
// Package subnetevm provides SubnetEVM-specific import/export functionality
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package subnetevm
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import (
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"encoding/binary"
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"github.com/luxfi/geth/common"
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)
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// ChainIDPrefixLen is the length of the chain ID prefix (32 bytes)
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// Some SubnetEVM databases have keys prefixed with a 32-byte chain ID
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const ChainIDPrefixLen = 32
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// Database key prefixes (matching rawdb/schema.go)
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var (
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headerPrefix = []byte("h") // headerPrefix + num (uint64 big endian) + hash -> header
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headerHashSuffix = []byte("n") // headerPrefix + num (uint64 big endian) + headerHashSuffix -> hash
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headerNumberPrefix = []byte("H") // headerNumberPrefix + hash -> num (uint64 big endian)
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blockBodyPrefix = []byte("b") // blockBodyPrefix + num (uint64 big endian) + hash -> block body
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blockReceiptsPrefix = []byte("r") // blockReceiptsPrefix + num (uint64 big endian) + hash -> block receipts
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headBlockKey = []byte("LastBlock")
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headHeaderKey = []byte("LastHeader")
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configPrefix = []byte("ethereum-config-")
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codePrefix = []byte("c") // CodePrefix + code hash -> account code
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txLookupPrefix = []byte("l") // txLookupPrefix + hash -> transaction lookup metadata
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preimagePrefix = []byte("secure-key-") // PreimagePrefix + hash -> preimage (address)
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// Snapshot prefixes
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snapshotAccountPrefix = []byte("a") // SnapshotAccountPrefix + account hash -> account trie value
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snapshotStoragePrefix = []byte("o") // SnapshotStoragePrefix + account hash + storage hash -> storage trie value
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snapshotRootKey = []byte("SnapshotRoot")
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)
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// Key encoding functions
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func encodeBlockNumber(number uint64) []byte {
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enc := make([]byte, 8)
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binary.BigEndian.PutUint64(enc, number)
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return enc
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}
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func headerKey(number uint64, hash common.Hash) []byte {
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return append(append(headerPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
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}
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func headerHashKey(number uint64) []byte {
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return append(append(headerPrefix, encodeBlockNumber(number)...), headerHashSuffix...)
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}
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func headerNumberKey(hash common.Hash) []byte {
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return append(headerNumberPrefix, hash.Bytes()...)
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}
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func blockBodyKey(number uint64, hash common.Hash) []byte {
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return append(append(blockBodyPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
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}
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func blockReceiptsKey(number uint64, hash common.Hash) []byte {
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return append(append(blockReceiptsPrefix, encodeBlockNumber(number)...), hash.Bytes()...)
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}
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func configKey(hash common.Hash) []byte {
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return append(configPrefix, hash.Bytes()...)
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}
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func codeKey(hash common.Hash) []byte {
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return append(codePrefix, hash.Bytes()...)
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}
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func txLookupKey(hash common.Hash) []byte {
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return append(txLookupPrefix, hash.Bytes()...)
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}
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func preimageKey(hash common.Hash) []byte {
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return append(preimagePrefix, hash.Bytes()...)
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}
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func accountSnapshotKey(hash common.Hash) []byte {
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return append(snapshotAccountPrefix, hash.Bytes()...)
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}
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func storageSnapshotKey(accountHash, storageHash common.Hash) []byte {
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buf := make([]byte, len(snapshotStoragePrefix)+common.HashLength+common.HashLength)
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n := copy(buf, snapshotStoragePrefix)
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n += copy(buf[n:], accountHash.Bytes())
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copy(buf[n:], storageHash.Bytes())
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return buf
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}
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