82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
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package helper
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import (
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"context"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/statediff"
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"github.com/ethereum/go-ethereum/statediff/indexer"
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"github.com/ethereum/go-ethereum/statediff/indexer/database/sql/postgres"
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"github.com/ethereum/go-ethereum/statediff/indexer/node"
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)
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var (
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// ChainDB = rawdb.NewMemoryDatabase()
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ChainConfig = params.TestChainConfig
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// BankFunds = new(big.Int).Mul(big.NewInt(1e4), big.NewInt(params.Ether)) // i.e. 10,000eth
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mockTD = big.NewInt(1)
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// ctx = context.Background()
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// signer = types.NewLondonSigner(ChainConfig.ChainID)
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)
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func IndexChain(dbConfig postgres.Config, stateCache state.Database, rootA, rootB common.Hash) error {
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_, indexer, err := indexer.NewStateDiffIndexer(
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context.Background(),
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ChainConfig,
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node.Info{},
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// node.Info{
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// GenesisBlock: Genesis.Hash().String(),
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// NetworkID: "test_network",
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// ID: "test_node",
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// ClientName: "geth",
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// ChainID: ChainConfig.ChainID.Uint64(),
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// },
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dbConfig)
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if err != nil {
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return err
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}
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defer indexer.Close() // fixme: hangs when using PGX driver
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// generating statediff payload for block, and transform the data into Postgres
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builder := statediff.NewBuilder(stateCache)
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block := types.NewBlock(&types.Header{Root: rootB}, nil, nil, nil, NewHasher())
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// todo: use dummy block hashes to just produce trie structure for testing
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args := statediff.Args{
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OldStateRoot: rootA,
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NewStateRoot: rootB,
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// BlockNumber: block.Number(),
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// BlockHash: block.Hash(),
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}
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diff, err := builder.BuildStateDiffObject(args, statediff.Params{})
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if err != nil {
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return err
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}
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tx, err := indexer.PushBlock(block, nil, mockTD)
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if err != nil {
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return err
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}
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// for _, node := range diff.Nodes {
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// err := indexer.PushStateNode(tx, node, block.Hash().String())
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// if err != nil {
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// return err
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// }
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// }
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for _, ipld := range diff.IPLDs {
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if err := indexer.PushIPLD(tx, ipld); err != nil {
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return err
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}
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}
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return tx.Submit(err)
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// if err = tx.Submit(err); err != nil {
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// return err
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// }
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// return nil
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}
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