101 lines
2.9 KiB
Go
101 lines
2.9 KiB
Go
package test_helpers
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import (
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"context"
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"fmt"
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"math/big"
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"github.com/cerc-io/plugeth-statediff"
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"github.com/cerc-io/plugeth-statediff/adapt"
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"github.com/cerc-io/plugeth-statediff/indexer"
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"github.com/cerc-io/plugeth-statediff/indexer/interfaces"
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"github.com/cerc-io/plugeth-statediff/indexer/node"
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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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)
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type IndexChainParams struct {
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Blocks []*types.Block
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Receipts []types.Receipts
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StateCache state.Database
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StateDiffParams statediff.Params
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TotalDifficulty *big.Int
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// Whether to skip indexing state nodes (state_cids, storage_cids)
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SkipStateNodes bool
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// Whether to skip indexing IPLD blocks
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SkipIPLDs bool
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}
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func NewIndexer(ctx context.Context, chainConfig *params.ChainConfig, genHash common.Hash, dbconfig interfaces.Config) (interfaces.StateDiffIndexer, error) {
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testInfo := node.Info{
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GenesisBlock: genHash.String(),
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NetworkID: "1",
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ID: "1",
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ClientName: "geth",
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ChainID: chainConfig.ChainID.Uint64(),
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}
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_, indexer, err := indexer.NewStateDiffIndexer(ctx, chainConfig, testInfo, dbconfig, true)
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return indexer, err
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}
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func IndexChain(indexer interfaces.StateDiffIndexer, params IndexChainParams) error {
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builder := statediff.NewBuilder(adapt.GethStateView(params.StateCache))
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// iterate over the blocks, generating statediff payloads, and transforming the data into Postgres
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for i, block := range params.Blocks {
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var args statediff.Args
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var rcts types.Receipts
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if i == 0 {
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args = statediff.Args{
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OldStateRoot: common.Hash{},
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NewStateRoot: block.Root(),
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BlockNumber: block.Number(),
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BlockHash: block.Hash(),
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}
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} else {
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args = statediff.Args{
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OldStateRoot: params.Blocks[i-1].Root(),
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NewStateRoot: block.Root(),
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BlockNumber: block.Number(),
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BlockHash: block.Hash(),
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}
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rcts = params.Receipts[i-1]
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}
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diff, err := builder.BuildStateDiffObject(args, params.StateDiffParams)
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if err != nil {
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return fmt.Errorf("failed to build diff (block %d): %w", block.Number(), err)
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}
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tx, err := indexer.PushBlock(block, rcts, params.TotalDifficulty)
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if err != nil {
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return fmt.Errorf("failed to index block (block %d): %w", block.Number(), err)
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}
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defer tx.RollbackOnFailure(err)
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if !params.SkipStateNodes {
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for _, node := range diff.Nodes {
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if err = indexer.PushStateNode(tx, node, block.Hash().String()); err != nil {
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if err != nil {
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return fmt.Errorf("failed to index state node: %w", err)
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}
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}
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}
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}
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if !params.SkipIPLDs {
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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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if err != nil {
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return fmt.Errorf("failed to index IPLD: %w", err)
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}
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}
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}
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}
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if err = tx.Submit(); err != nil {
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return fmt.Errorf("failed to commit diff: %w", err)
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}
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}
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return nil
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}
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