358 lines
15 KiB
Go
358 lines
15 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package eth
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/lib/pq"
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"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
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)
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const (
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RetrieveHeadersByHashesPgStr = `SELECT cid, data FROM eth.header_cids
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INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
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WHERE block_hash = ANY($1::VARCHAR(66)[])`
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RetrieveHeadersByBlockNumberPgStr = `SELECT cid, data FROM eth.header_cids
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INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
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WHERE block_number = $1`
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RetrieveHeaderByHashPgStr = `SELECT cid, data FROM eth.header_cids
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INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
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WHERE block_hash = $1`
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RetrieveUnclesByHashesPgStr = `SELECT cid, data FROM eth.uncle_cids
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INNER JOIN public.blocks ON (uncle_cids.mh_key = blocks.key)
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WHERE block_hash = ANY($1::VARCHAR(66)[])`
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RetrieveUnclesByBlockHashPgStr = `SELECT cid, data FROM eth.uncle_cids, eth.header_cids, public.blocks
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WHERE uncle_cids.header_id = header_cids.id
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AND uncle_cids.mh_key = blocks.key
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AND block_hash = $1`
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RetrieveUnclesByBlockNumberPgStr = `SELECT cid, data FROM eth.uncle_cids, eth.header_cids, public.blocks
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WHERE uncle_cids.header_id = header_cids.id
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AND uncle_cids.mh_key = blocks.key
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AND block_number = $1`
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RetrieveUncleByHashPgStr = `SELECT cid, data FROM eth.uncle_cids
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INNER JOIN public.blocks ON (uncle_cids.mh_key = blocks.key)
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WHERE block_hash = $1`
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RetrieveTransactionsByHashesPgStr = `SELECT cid, data FROM eth.transaction_cids
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INNER JOIN public.blocks ON (transaction_cids.mh_key = blocks.key)
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WHERE tx_hash = ANY($1::VARCHAR(66)[])`
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RetrieveTransactionsByBlockHashPgStr = `SELECT cid, data FROM eth.transaction_cids, eth.header_cids, public.blocks
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WHERE transaction_cids.header_id = header_cids.id
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AND transaction_cids.mh_key = blocks.key
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AND block_hash = $1`
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RetrieveTransactionsByBlockNumberPgStr = `SELECT cid, data FROM eth.transaction_cids, eth.header_cids, public.blocks
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WHERE transaction_cids.header_id = header_cids.id
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AND transaction_cids.mh_key = blocks.key
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AND block_number = $1`
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RetrieveTransactionByHashPgStr = `SELECT cid, data FROM eth.transaction_cids
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INNER JOIN public.blocks ON (transaction_cids.mh_key = blocks.key)
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WHERE tx_hash = $1`
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RetrieveReceiptsByTxHashesPgStr = `SELECT cid, data FROM eth.receipt_cids, eth.transaction_cids, public.blocks
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WHERE receipt_cids.mh_key = blocks.key
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AND receipt_cids.tx_id = transaction_cids.id
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AND tx_hash = ANY($1::VARCHAR(66)[])`
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RetrieveReceiptsByBlockHashPgStr = `SELECT cid, data FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids, public.blocks
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WHERE receipt_cids.tx_id = transaction_cids.id
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AND transaction_cids.header_id = header_cids.id
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AND receipt_cids.mh_key = blocks.key
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AND block_hash = $1`
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RetrieveReceiptsByBlockNumberPgStr = `SELECT cid, data FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids, public.blocks
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WHERE receipt_cids.tx_id = transaction_cids.id
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AND transaction_cids.header_id = header_cids.id
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AND receipt_cids.mh_key = blocks.key
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AND block_number = $1`
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RetrieveReceiptByTxHashPgStr = `SELECT cid, data FROM eth.receipt_cids, eth.transaction_cids, eth.receipt_cids
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WHERE receipt_cids.mh_key = blocks.key
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AND receipt_cids.tx_id = transaction_cids.id
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AND tx_hash = $1`
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RetrieveAccountByLeafKeyAndBlockHashPgStr = `SELECT cid, data FROM eth.state_cids, eth.header_cids, public.blocks
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WHERE state_cids.header_id = header_cids.id
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AND state_cids.mh_key = blocks.key
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AND state_leaf_key = $1
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AND block_hash = $2`
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RetrieveAccountByLeafKeyAndBlockNumberPgStr = `SELECT cid, data FROM eth.state_cids, eth.header_cids, public.blocks
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WHERE state_cids.header_id = header_cids.id
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AND state_cids.mh_key = blocks.key
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AND state_leaf_key = $1
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AND block_number = $2`
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)
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type ipldResult struct {
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CID string `db:"cid"`
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Data []byte `db:"data"`
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}
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type IPLDRetriever struct {
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db *postgres.DB
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}
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func NewIPLDRetriever(db *postgres.DB) *IPLDRetriever {
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return &IPLDRetriever{
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db: db,
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}
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}
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// RetrieveHeadersByHashes returns the cids and rlp bytes for the headers corresponding to the provided block hashes
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func (r *IPLDRetriever) RetrieveHeadersByHashes(hashes []common.Hash) ([]string, [][]byte, error) {
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headerResults := make([]ipldResult, 0)
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hashStrs := make([]string, len(hashes))
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for i, hash := range hashes {
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hashStrs[i] = hash.Hex()
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}
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if err := r.db.Select(&headerResults, RetrieveHeadersByHashesPgStr, pq.Array(hashStrs)); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(headerResults))
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headers := make([][]byte, len(headerResults))
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for i, res := range headerResults {
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cids[i] = res.CID
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headers[i] = res.Data
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}
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return cids, headers, nil
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}
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// RetrieveHeadersByBlockNumber returns the cids and rlp bytes for the headers corresponding to the provided block number
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// This can return more than one result since there can be more than one header (non-canonical headers)
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func (r *IPLDRetriever) RetrieveHeadersByBlockNumber(number uint64) ([]string, [][]byte, error) {
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headerResults := make([]ipldResult, 0)
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if err := r.db.Select(&headerResults, RetrieveHeadersByBlockNumberPgStr, number); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(headerResults))
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headers := make([][]byte, len(headerResults))
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for i, res := range headerResults {
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cids[i] = res.CID
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headers[i] = res.Data
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}
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return cids, headers, nil
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}
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// RetrieveHeaderByHash returns the cid and rlp bytes for the header corresponding to the provided block hash
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func (r *IPLDRetriever) RetrieveHeaderByHash(hash common.Hash) (string, []byte, error) {
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headerResult := new(ipldResult)
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return headerResult.CID, headerResult.Data, r.db.Get(headerResult, RetrieveHeaderByHashPgStr, hash.Hex())
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}
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// RetrieveUnclesByHashes returns the cids and rlp bytes for the uncles corresponding to the provided uncle hashes
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func (r *IPLDRetriever) RetrieveUnclesByHashes(hashes []common.Hash) ([]string, [][]byte, error) {
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uncleResults := make([]ipldResult, 0)
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hashStrs := make([]string, len(hashes))
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for i, hash := range hashes {
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hashStrs[i] = hash.Hex()
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}
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if err := r.db.Select(&uncleResults, RetrieveUnclesByHashesPgStr, pq.Array(hashStrs)); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(uncleResults))
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uncles := make([][]byte, len(uncleResults))
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for i, res := range uncleResults {
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cids[i] = res.CID
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uncles[i] = res.Data
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}
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return cids, uncles, nil
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}
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// RetrieveUnclesByBlockHash returns the cids and rlp bytes for the uncles corresponding to the provided block hash (of non-omner root block)
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func (r *IPLDRetriever) RetrieveUnclesByBlockHash(hash common.Hash) ([]string, [][]byte, error) {
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uncleResults := make([]ipldResult, 0)
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if err := r.db.Select(&uncleResults, RetrieveUnclesByBlockHashPgStr, hash.Hex()); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(uncleResults))
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uncles := make([][]byte, len(uncleResults))
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for i, res := range uncleResults {
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cids[i] = res.CID
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uncles[i] = res.Data
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}
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return cids, uncles, nil
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}
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// RetrieveUnclesByBlockNumber returns the cids and rlp bytes for the uncles corresponding to the provided block number (of non-omner root block)
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func (r *IPLDRetriever) RetrieveUnclesByBlockNumber(number uint64) ([]string, [][]byte, error) {
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uncleResults := make([]ipldResult, 0)
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if err := r.db.Select(&uncleResults, RetrieveUnclesByBlockNumberPgStr, number); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(uncleResults))
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uncles := make([][]byte, len(uncleResults))
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for i, res := range uncleResults {
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cids[i] = res.CID
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uncles[i] = res.Data
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}
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return cids, uncles, nil
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}
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// RetrieveUncleByHash returns the cid and rlp bytes for the uncle corresponding to the provided uncle hash
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func (r *IPLDRetriever) RetrieveUncleByHash(hash common.Hash) (string, []byte, error) {
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uncleResult := new(ipldResult)
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return uncleResult.CID, uncleResult.Data, r.db.Get(uncleResult, RetrieveUncleByHashPgStr, hash.Hex())
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}
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// RetrieveTransactionsByHashes returns the cids and rlp bytes for the transactions corresponding to the provided tx hashes
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func (r *IPLDRetriever) RetrieveTransactionsByHashes(hashes []common.Hash) ([]string, [][]byte, error) {
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txResults := make([]ipldResult, 0)
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hashStrs := make([]string, len(hashes))
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for i, hash := range hashes {
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hashStrs[i] = hash.Hex()
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}
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if err := r.db.Select(&txResults, RetrieveTransactionsByHashesPgStr, pq.Array(hashStrs)); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(txResults))
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txs := make([][]byte, len(txResults))
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for i, res := range txResults {
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cids[i] = res.CID
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txs[i] = res.Data
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}
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return cids, txs, nil
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}
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// RetrieveTransactionsByBlockHash returns the cids and rlp bytes for the transactions corresponding to the provided block hash
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func (r *IPLDRetriever) RetrieveTransactionsByBlockHash(hash common.Hash) ([]string, [][]byte, error) {
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txResults := make([]ipldResult, 0)
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if err := r.db.Select(&txResults, RetrieveTransactionsByBlockHashPgStr, hash.Hex()); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(txResults))
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txs := make([][]byte, len(txResults))
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for i, res := range txResults {
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cids[i] = res.CID
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txs[i] = res.Data
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}
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return cids, txs, nil
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}
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// RetrieveTransactionsByBlockNumber returns the cids and rlp bytes for the transactions corresponding to the provided block number
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func (r *IPLDRetriever) RetrieveTransactionsByBlockNumber(number uint64) ([]string, [][]byte, error) {
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txResults := make([]ipldResult, 0)
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if err := r.db.Select(&txResults, RetrieveTransactionsByBlockNumberPgStr, number); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(txResults))
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txs := make([][]byte, len(txResults))
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for i, res := range txResults {
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cids[i] = res.CID
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txs[i] = res.Data
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}
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return cids, txs, nil
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}
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// RetrieveTransactionByTxHash returns the cid and rlp bytes for the transaction corresponding to the provided tx hash
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func (r *IPLDRetriever) RetrieveTransactionByTxHash(hash common.Hash) (string, []byte, error) {
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txResult := new(ipldResult)
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return txResult.CID, txResult.Data, r.db.Get(txResult, RetrieveTransactionByHashPgStr, hash.Hex())
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}
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// RetrieveReceiptsByTxHashes returns the cids and rlp bytes for the receipts corresponding to the provided tx hashes
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func (r *IPLDRetriever) RetrieveReceiptsByTxHashes(hashes []common.Hash) ([]string, [][]byte, error) {
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rctResults := make([]ipldResult, 0)
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hashStrs := make([]string, len(hashes))
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for i, hash := range hashes {
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hashStrs[i] = hash.Hex()
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}
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if err := r.db.Select(&rctResults, RetrieveReceiptsByTxHashesPgStr, pq.Array(hashStrs)); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(rctResults))
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rcts := make([][]byte, len(rctResults))
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for i, res := range rctResults {
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cids[i] = res.CID
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rcts[i] = res.Data
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}
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return cids, rcts, nil
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}
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// RetrieveReceiptsByBlockHash returns the cids and rlp bytes for the receipts corresponding to the provided block hash
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func (r *IPLDRetriever) RetrieveReceiptsByBlockHash(hash common.Hash) ([]string, [][]byte, error) {
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rctResults := make([]ipldResult, 0)
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if err := r.db.Select(&rctResults, RetrieveReceiptsByBlockHashPgStr, hash.Hex()); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(rctResults))
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rcts := make([][]byte, len(rctResults))
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for i, res := range rctResults {
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cids[i] = res.CID
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rcts[i] = res.Data
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}
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return cids, rcts, nil
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}
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// RetrieveReceiptsByBlockNumber returns the cids and rlp bytes for the receipts corresponding to the provided block hash
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func (r *IPLDRetriever) RetrieveReceiptsByBlockNumber(number uint64) ([]string, [][]byte, error) {
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rctResults := make([]ipldResult, 0)
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if err := r.db.Select(&rctResults, RetrieveReceiptsByBlockNumberPgStr, number); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(rctResults))
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rcts := make([][]byte, len(rctResults))
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for i, res := range rctResults {
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cids[i] = res.CID
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rcts[i] = res.Data
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}
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return cids, rcts, nil
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}
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// RetrieveReceiptByHash returns the cid and rlp bytes for the receipt corresponding to the provided tx hash
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func (r *IPLDRetriever) RetrieveReceiptByHash(hash common.Hash) (string, []byte, error) {
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rctResult := new(ipldResult)
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return rctResult.CID, rctResult.Data, r.db.Get(rctResult, RetrieveReceiptByTxHashPgStr, hash.Hex())
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}
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// RetrieveAccountByAddressAndBlockHash returns the cid and rlp bytes for the account corresponding to the provided address and block hash
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func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockHash(address common.Address, hash common.Hash) (string, []byte, error) {
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accountResult := new(ipldResult)
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leafKey := crypto.Keccak256Hash(address.Bytes())
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if err := r.db.Get(accountResult, RetrieveAccountByLeafKeyAndBlockHashPgStr, leafKey.Hex(), hash.Hex()); err != nil {
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return "", nil, err
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}
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var i []interface{}
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if err := rlp.DecodeBytes(accountResult.Data, &i); err != nil {
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return "", nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
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}
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if len(i) != 2 {
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return "", nil, fmt.Errorf("eth IPLDRetriever expected state leaf node rlp to decode into two elements")
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}
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return accountResult.CID, i[1].([]byte), nil
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}
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// RetrieveAccountByAddressAndBlockNumber returns the cid and rlp bytes for the account corresponding to the provided address and block number
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// This can return multiple results if we have two versions of state in the database as the provided height
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func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockNumber(address common.Address, number uint64) ([]string, [][]byte, error) {
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accountResults := make([]ipldResult, 0)
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leafKey := crypto.Keccak256Hash(address.Bytes())
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if err := r.db.Get(&accountResults, RetrieveAccountByLeafKeyAndBlockNumberPgStr, leafKey.Hex(), number); err != nil {
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return nil, nil, err
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}
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cids := make([]string, len(accountResults))
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accounts := make([][]byte, len(accountResults))
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for i, res := range accountResults {
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cids[i] = res.CID
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var iface []interface{}
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if err := rlp.DecodeBytes(res.Data, &iface); err != nil {
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return nil, nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
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}
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if len(iface) != 2 {
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return nil, nil, fmt.Errorf("eth IPLDRetriever expected state leaf node rlp to decode into two elements")
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}
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accounts[i] = iface[1].([]byte)
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}
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return cids, accounts, nil
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}
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