66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
package internal
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import (
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"testing"
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"time"
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pgipfsethdb "github.com/cerc-io/ipfs-ethdb/v5/postgres/v0"
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"github.com/cerc-io/plugeth-statediff/indexer/ipld"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ipfs/go-cid"
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"github.com/multiformats/go-multihash"
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)
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var (
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StateTrieCodec uint64 = ipld.MEthStateTrie
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StorageTrieCodec uint64 = ipld.MEthStorageTrie
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)
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func Keccak256ToCid(codec uint64, h []byte) (cid.Cid, error) {
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buf, err := multihash.Encode(h, multihash.KECCAK_256)
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if err != nil {
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return cid.Cid{}, err
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}
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return cid.NewCidV1(codec, buf), nil
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}
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// returns a cache config with unique name (groupcache names are global)
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func MakeCacheConfig(t testing.TB) pgipfsethdb.CacheConfig {
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return pgipfsethdb.CacheConfig{
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Name: t.Name(),
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Size: 3000000, // 3MB
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ExpiryDuration: time.Hour,
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}
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}
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// ReadLegacyTrieNode retrieves the legacy trie node with the given
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// associated node hash.
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func ReadLegacyTrieNode(db ethdb.KeyValueReader, hash common.Hash, codec uint64) ([]byte, error) {
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cid, err := Keccak256ToCid(codec, hash[:])
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if err != nil {
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return nil, err
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}
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enc, err := db.Get(cid.Bytes())
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if err != nil {
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return nil, err
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}
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return enc, nil
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}
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func WriteLegacyTrieNode(db ethdb.KeyValueWriter, hash common.Hash, codec uint64, data []byte) error {
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cid, err := Keccak256ToCid(codec, hash[:])
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if err != nil {
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return err
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}
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return db.Put(cid.Bytes(), data)
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}
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func ReadCode(db ethdb.KeyValueReader, hash common.Hash) ([]byte, error) {
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return ReadLegacyTrieNode(db, hash, ipld.RawBinary)
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}
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func WriteCode(db ethdb.KeyValueWriter, hash common.Hash, code []byte) error {
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return WriteLegacyTrieNode(db, hash, ipld.RawBinary, code)
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}
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