661 lines
26 KiB
Go
661 lines
26 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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"strconv"
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"github.com/ethereum/go-ethereum/statediff/trie_helpers"
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sdtypes "github.com/ethereum/go-ethereum/statediff/types"
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"github.com/jmoiron/sqlx"
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"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
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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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)
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const (
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// node type removed value.
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// https://github.com/vulcanize/go-ethereum/blob/271f4d01e7e2767ffd8e0cd469bf545be96f2a84/statediff/indexer/helpers.go#L34
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removedNode = 3
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RetrieveHeadersByHashesPgStr = `SELECT cid, data
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FROM eth.header_cids
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INNER JOIN public.blocks ON (
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header_cids.mh_key = blocks.key
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AND header_cids.block_number = blocks.block_number
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)
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WHERE block_hash = ANY($1::VARCHAR(66)[])`
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RetrieveHeadersByBlockNumberPgStr = `SELECT cid, data
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FROM eth.header_cids
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INNER JOIN public.blocks ON (
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header_cids.mh_key = blocks.key
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AND header_cids.block_number = blocks.block_number
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)
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WHERE header_cids.block_number = $1`
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RetrieveHeaderByHashPgStr = `SELECT cid, data
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FROM eth.header_cids
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INNER JOIN public.blocks ON (
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header_cids.mh_key = blocks.key
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AND header_cids.block_number = blocks.block_number
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)
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WHERE block_hash = $1`
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RetrieveUnclesByHashesPgStr = `SELECT cid, data
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FROM eth.uncle_cids
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INNER JOIN public.blocks ON (
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uncle_cids.mh_key = blocks.key
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AND uncle_cids.block_number = blocks.block_number
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)
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WHERE block_hash = ANY($1::VARCHAR(66)[])`
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RetrieveUnclesByBlockHashPgStr = `SELECT uncle_cids.cid, data
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FROM eth.uncle_cids
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INNER JOIN eth.header_cids ON (
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uncle_cids.header_id = header_cids.block_hash
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AND uncle_cids.block_number = header_cids.block_number
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)
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INNER JOIN public.blocks ON (
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uncle_cids.mh_key = blocks.key
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AND uncle_cids.block_number = blocks.block_number
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)
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WHERE header_cids.block_hash = $1
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ORDER BY uncle_cids.parent_hash`
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RetrieveUnclesByBlockNumberPgStr = `SELECT uncle_cids.cid, data
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FROM eth.uncle_cids
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INNER JOIN eth.header_cids ON (
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uncle_cids.header_id = header_cids.block_hash
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AND uncle_cids.block_number = header_cids.block_number
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)
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INNER JOIN public.blocks ON (
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uncle_cids.mh_key = blocks.key
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AND uncle_cids.block_number = blocks.block_number
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)
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WHERE header_cids.block_number = $1`
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RetrieveUncleByHashPgStr = `SELECT cid, data
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FROM eth.uncle_cids
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INNER JOIN public.blocks ON (
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uncle_cids.mh_key = blocks.key
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AND uncle_cids.block_number = blocks.block_number
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)
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WHERE block_hash = $1`
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RetrieveTransactionsByHashesPgStr = `SELECT DISTINCT ON (tx_hash) cid, data
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FROM eth.transaction_cids
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INNER JOIN public.blocks ON (
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transaction_cids.mh_key = blocks.key
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AND transaction_cids.block_number = blocks.block_number
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)
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WHERE tx_hash = ANY($1::VARCHAR(66)[])`
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RetrieveTransactionsByBlockHashPgStr = `SELECT transaction_cids.cid, data
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FROM eth.transaction_cids
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INNER JOIN eth.header_cids ON (
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transaction_cids.header_id = header_cids.block_hash
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AND transaction_cids.block_number = header_cids.block_number
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)
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INNER JOIN public.blocks ON (
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transaction_cids.mh_key = blocks.key
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AND transaction_cids.block_number = blocks.block_number
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)
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WHERE block_hash = $1
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ORDER BY eth.transaction_cids.index ASC`
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RetrieveTransactionsByBlockNumberPgStr = `SELECT transaction_cids.cid, data
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FROM eth.transaction_cids
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INNER JOIN eth.header_cids ON (
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transaction_cids.header_id = header_cids.block_hash
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AND transaction_cids.block_number = header_cids.block_number
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)
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INNER JOIN public.blocks ON (
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transaction_cids.mh_key = blocks.key
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AND transaction_cids.block_number = blocks.block_number
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)
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WHERE header_cids.block_number = $1
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AND block_hash = (SELECT canonical_header_hash(header_cids.block_number))
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ORDER BY eth.transaction_cids.index ASC`
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RetrieveTransactionByHashPgStr = `SELECT DISTINCT ON (tx_hash) cid, data
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FROM eth.transaction_cids
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INNER JOIN public.blocks ON (
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transaction_cids.mh_key = blocks.key
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AND transaction_cids.block_number = blocks.block_number
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)
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WHERE tx_hash = $1`
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RetrieveReceiptsByTxHashesPgStr = `SELECT receipt_cids.leaf_cid, data
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FROM eth.receipt_cids
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INNER JOIN eth.transaction_cids ON (
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receipt_cids.tx_id = transaction_cids.tx_hash
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AND receipt_cids.header_id = transaction_cids.header_id
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AND receipt_cids.block_number = transaction_cids.block_number
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)
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INNER JOIN public.blocks ON (
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receipt_cids.leaf_mh_key = blocks.key
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AND receipt_cids.block_number = blocks.block_number
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)
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WHERE tx_hash = ANY($1::VARCHAR(66)[])
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AND transaction_cids.header_id = (SELECT canonical_header_hash(transaction_cids.block_number))`
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RetrieveReceiptsByBlockHashPgStr = `SELECT receipt_cids.leaf_cid, data, eth.transaction_cids.tx_hash
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FROM eth.receipt_cids
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INNER JOIN eth.transaction_cids ON (
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receipt_cids.tx_id = transaction_cids.tx_hash
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AND receipt_cids.header_id = transaction_cids.header_id
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AND receipt_cids.block_number = transaction_cids.block_number
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)
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INNER JOIN eth.header_cids ON (
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transaction_cids.header_id = header_cids.block_hash
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AND transaction_cids.block_number = header_cids.block_number
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)
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INNER JOIN public.blocks ON (
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receipt_cids.leaf_mh_key = blocks.key
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AND receipt_cids.block_number = blocks.block_number
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)
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WHERE block_hash = $1
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ORDER BY eth.transaction_cids.index ASC`
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RetrieveReceiptsByBlockNumberPgStr = `SELECT receipt_cids.leaf_cid, data
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FROM eth.receipt_cids
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INNER JOIN eth.transaction_cids ON (
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receipt_cids.tx_id = transaction_cids.tx_hash
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AND receipt_cids.header_id = transaction_cids.header_id
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AND receipt_cids.block_number = transaction_cids.block_number
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)
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INNER JOIN eth.header_cids ON (
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transaction_cids.header_id = header_cids.block_hash
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AND transaction_cids.block_number = header_cids.block_number
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)
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INNER JOIN public.blocks ON (
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receipt_cids.leaf_mh_key = blocks.key
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AND receipt_cids.block_number = blocks.block_number
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)
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WHERE header_cids.block_number = $1
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AND block_hash = (SELECT canonical_header_hash(header_cids.block_number))
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ORDER BY eth.transaction_cids.index ASC`
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RetrieveReceiptByTxHashPgStr = `SELECT receipt_cids.leaf_cid, data
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FROM eth.receipt_cids
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INNER JOIN eth.transaction_cids ON (
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receipt_cids.tx_id = transaction_cids.tx_hash
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AND receipt_cids.header_id = transaction_cids.header_id
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AND receipt_cids.block_number = transaction_cids.block_number
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)
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INNER JOIN public.blocks ON (
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receipt_cids.leaf_mh_key = blocks.key
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AND receipt_cids.block_number = blocks.block_number
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)
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WHERE tx_hash = $1
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AND transaction_cids.header_id = (SELECT canonical_header_hash(transaction_cids.block_number))`
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RetrieveAccountByLeafKeyAndBlockHashPgStr = `SELECT state_cids.cid, state_cids.mh_key, state_cids.block_number, state_cids.node_type
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FROM eth.state_cids
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INNER JOIN eth.header_cids ON (
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state_cids.header_id = header_cids.block_hash
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AND state_cids.block_number = header_cids.block_number
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)
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WHERE state_leaf_key = $1
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AND header_cids.block_number <= (SELECT block_number
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FROM eth.header_cids
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WHERE block_hash = $2)
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AND header_cids.block_hash = (SELECT canonical_header_hash(header_cids.block_number))
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ORDER BY header_cids.block_number DESC
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LIMIT 1`
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RetrieveAccountByLeafKeyAndBlockNumberPgStr = `SELECT state_cids.cid, state_cids.mh_key, state_cids.node_type
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FROM eth.state_cids
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INNER JOIN eth.header_cids ON (
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state_cids.header_id = header_cids.block_hash
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AND state_cids.block_number = header_cids.block_number
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)
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WHERE state_leaf_key = $1
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AND header_cids.block_number <= $2
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ORDER BY header_cids.block_number DESC
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LIMIT 1`
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RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockNumberPgStr = `SELECT storage_cids.cid, storage_cids.mh_key, storage_cids.node_type, was_state_leaf_removed($1, $3) AS state_leaf_removed
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FROM eth.storage_cids
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INNER JOIN eth.state_cids ON (
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storage_cids.header_id = state_cids.header_id
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AND storage_cids.state_path = state_cids.state_path
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AND storage_cids.block_number = state_cids.block_number
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)
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INNER JOIN eth.header_cids ON (
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state_cids.header_id = header_cids.block_hash
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AND state_cids.block_number = header_cids.block_number
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)
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WHERE state_leaf_key = $1
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AND storage_leaf_key = $2
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AND header_cids.block_number <= $3
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ORDER BY header_cids.block_number DESC
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LIMIT 1`
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RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockHashPgStr = `SELECT storage_cids.cid, storage_cids.mh_key, storage_cids.block_number, storage_cids.node_type, was_state_leaf_removed($1, $3) AS state_leaf_removed
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FROM eth.storage_cids
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INNER JOIN eth.state_cids ON (
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storage_cids.header_id = state_cids.header_id
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AND storage_cids.state_path = state_cids.state_path
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AND storage_cids.block_number = state_cids.block_number
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)
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INNER JOIN eth.header_cids ON (
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state_cids.header_id = header_cids.block_hash
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AND state_cids.block_number = header_cids.block_number
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)
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WHERE state_leaf_key = $1
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AND storage_leaf_key = $2
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AND header_cids.block_number <= (SELECT block_number
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FROM eth.header_cids
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WHERE block_hash = $3)
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AND header_cids.block_hash = (SELECT canonical_header_hash(header_cids.block_number))
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ORDER BY header_cids.block_number DESC
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LIMIT 1`
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)
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var EmptyNodeValue = make([]byte, common.HashLength)
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type rctIpldResult struct {
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LeafCID string `db:"leaf_cid"`
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Data []byte `db:"data"`
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TxHash string `db:"tx_hash"`
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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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TxHash string `db:"tx_hash"`
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}
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type IPLDRetriever struct {
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db *sqlx.DB
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}
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func NewIPLDRetriever(db *sqlx.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(tx *sqlx.Tx, hash common.Hash) (string, []byte, error) {
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headerResult := new(ipldResult)
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return headerResult.CID, headerResult.Data, tx.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(tx *sqlx.Tx, hash common.Hash) ([]string, [][]byte, error) {
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uncleResults := make([]ipldResult, 0)
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if err := tx.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(tx *sqlx.Tx, hash common.Hash) ([]string, [][]byte, error) {
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txResults := make([]ipldResult, 0)
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if err := tx.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 {
|
|
return nil, nil, err
|
|
}
|
|
cids := make([]string, len(txResults))
|
|
txs := make([][]byte, len(txResults))
|
|
for i, res := range txResults {
|
|
cids[i] = res.CID
|
|
txs[i] = res.Data
|
|
}
|
|
return cids, txs, nil
|
|
}
|
|
|
|
// RetrieveTransactionByTxHash returns the cid and rlp bytes for the transaction corresponding to the provided tx hash
|
|
func (r *IPLDRetriever) RetrieveTransactionByTxHash(hash common.Hash) (string, []byte, error) {
|
|
txResult := new(ipldResult)
|
|
return txResult.CID, txResult.Data, r.db.Get(txResult, RetrieveTransactionByHashPgStr, hash.Hex())
|
|
}
|
|
|
|
// DecodeLeafNode decodes the leaf node data
|
|
func DecodeLeafNode(node []byte) ([]byte, error) {
|
|
var nodeElements []interface{}
|
|
if err := rlp.DecodeBytes(node, &nodeElements); err != nil {
|
|
return nil, err
|
|
}
|
|
ty, err := trie_helpers.CheckKeyType(nodeElements)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if ty != sdtypes.Leaf {
|
|
return nil, fmt.Errorf("expected leaf node but found %s", ty)
|
|
}
|
|
return nodeElements[1].([]byte), nil
|
|
}
|
|
|
|
// RetrieveReceiptsByTxHashes returns the cids and rlp bytes for the receipts corresponding to the provided tx hashes
|
|
func (r *IPLDRetriever) RetrieveReceiptsByTxHashes(hashes []common.Hash) ([]string, [][]byte, error) {
|
|
rctResults := make([]rctIpldResult, 0)
|
|
hashStrs := make([]string, len(hashes))
|
|
for i, hash := range hashes {
|
|
hashStrs[i] = hash.Hex()
|
|
}
|
|
if err := r.db.Select(&rctResults, RetrieveReceiptsByTxHashesPgStr, pq.Array(hashStrs)); err != nil {
|
|
return nil, nil, err
|
|
}
|
|
cids := make([]string, len(rctResults))
|
|
rcts := make([][]byte, len(rctResults))
|
|
for i, res := range rctResults {
|
|
cids[i] = res.LeafCID
|
|
nodeVal, err := DecodeLeafNode(res.Data)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
rcts[i] = nodeVal
|
|
}
|
|
return cids, rcts, nil
|
|
}
|
|
|
|
// RetrieveReceiptsByBlockHash returns the cids and rlp bytes for the receipts corresponding to the provided block hash.
|
|
// cid returned corresponds to the leaf node data which contains the receipt.
|
|
func (r *IPLDRetriever) RetrieveReceiptsByBlockHash(tx *sqlx.Tx, hash common.Hash) ([]string, [][]byte, []common.Hash, error) {
|
|
rctResults := make([]rctIpldResult, 0)
|
|
if err := tx.Select(&rctResults, RetrieveReceiptsByBlockHashPgStr, hash.Hex()); err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
cids := make([]string, len(rctResults))
|
|
rcts := make([][]byte, len(rctResults))
|
|
txs := make([]common.Hash, len(rctResults))
|
|
|
|
for i, res := range rctResults {
|
|
cids[i] = res.LeafCID
|
|
nodeVal, err := DecodeLeafNode(res.Data)
|
|
if err != nil {
|
|
return nil, nil, nil, err
|
|
}
|
|
rcts[i] = nodeVal
|
|
txs[i] = common.HexToHash(res.TxHash)
|
|
}
|
|
|
|
return cids, rcts, txs, nil
|
|
}
|
|
|
|
// RetrieveReceiptsByBlockNumber returns the cids and rlp bytes for the receipts corresponding to the provided block hash.
|
|
// cid returned corresponds to the leaf node data which contains the receipt.
|
|
func (r *IPLDRetriever) RetrieveReceiptsByBlockNumber(number uint64) ([]string, [][]byte, error) {
|
|
rctResults := make([]rctIpldResult, 0)
|
|
if err := r.db.Select(&rctResults, RetrieveReceiptsByBlockNumberPgStr, number); err != nil {
|
|
return nil, nil, err
|
|
}
|
|
cids := make([]string, len(rctResults))
|
|
rcts := make([][]byte, len(rctResults))
|
|
for i, res := range rctResults {
|
|
cids[i] = res.LeafCID
|
|
nodeVal, err := DecodeLeafNode(res.Data)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
rcts[i] = nodeVal
|
|
}
|
|
return cids, rcts, nil
|
|
}
|
|
|
|
// RetrieveReceiptByHash returns the cid and rlp bytes for the receipt corresponding to the provided tx hash.
|
|
// cid returned corresponds to the leaf node data which contains the receipt.
|
|
func (r *IPLDRetriever) RetrieveReceiptByHash(hash common.Hash) (string, []byte, error) {
|
|
rctResult := new(rctIpldResult)
|
|
if err := r.db.Select(&rctResult, RetrieveReceiptByTxHashPgStr, hash.Hex()); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
nodeVal, err := DecodeLeafNode(rctResult.Data)
|
|
if err != nil {
|
|
return "", nil, err
|
|
}
|
|
return rctResult.LeafCID, nodeVal, nil
|
|
}
|
|
|
|
type nodeInfo struct {
|
|
CID string `db:"cid"`
|
|
MhKey string `db:"mh_key"`
|
|
BlockNumber string `db:"block_number"`
|
|
Data []byte `db:"data"`
|
|
NodeType int `db:"node_type"`
|
|
StateLeafRemoved bool `db:"state_leaf_removed"`
|
|
}
|
|
|
|
// RetrieveAccountByAddressAndBlockHash returns the cid and rlp bytes for the account corresponding to the provided address and block hash
|
|
// TODO: ensure this handles deleted accounts appropriately
|
|
func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockHash(address common.Address, hash common.Hash) (string, []byte, error) {
|
|
accountResult := new(nodeInfo)
|
|
leafKey := crypto.Keccak256Hash(address.Bytes())
|
|
if err := r.db.Get(accountResult, RetrieveAccountByLeafKeyAndBlockHashPgStr, leafKey.Hex(), hash.Hex()); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if accountResult.NodeType == removedNode {
|
|
return "", EmptyNodeValue, nil
|
|
}
|
|
|
|
blockNumber, err := strconv.ParseUint(accountResult.BlockNumber, 10, 64)
|
|
if err != nil {
|
|
return "", nil, err
|
|
}
|
|
accountResult.Data, err = shared.FetchIPLD(r.db, accountResult.MhKey, blockNumber)
|
|
if err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
var i []interface{}
|
|
if err := rlp.DecodeBytes(accountResult.Data, &i); err != nil {
|
|
return "", nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
|
|
}
|
|
if len(i) != 2 {
|
|
return "", nil, fmt.Errorf("eth IPLDRetriever expected state leaf node rlp to decode into two elements")
|
|
}
|
|
return accountResult.CID, i[1].([]byte), nil
|
|
}
|
|
|
|
// RetrieveAccountByAddressAndBlockNumber returns the cid and rlp bytes for the account corresponding to the provided address and block number
|
|
// This can return a non-canonical account
|
|
func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockNumber(address common.Address, number uint64) (string, []byte, error) {
|
|
accountResult := new(nodeInfo)
|
|
leafKey := crypto.Keccak256Hash(address.Bytes())
|
|
if err := r.db.Get(accountResult, RetrieveAccountByLeafKeyAndBlockNumberPgStr, leafKey.Hex(), number); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if accountResult.NodeType == removedNode {
|
|
return "", EmptyNodeValue, nil
|
|
}
|
|
|
|
var err error
|
|
accountResult.Data, err = shared.FetchIPLD(r.db, accountResult.MhKey, number)
|
|
if err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
var i []interface{}
|
|
if err := rlp.DecodeBytes(accountResult.Data, &i); err != nil {
|
|
return "", nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
|
|
}
|
|
if len(i) != 2 {
|
|
return "", nil, fmt.Errorf("eth IPLDRetriever expected state leaf node rlp to decode into two elements")
|
|
}
|
|
return accountResult.CID, i[1].([]byte), nil
|
|
}
|
|
|
|
// RetrieveStorageAtByAddressAndStorageSlotAndBlockHash returns the cid and rlp bytes for the storage value corresponding to the provided address, storage slot, and block hash
|
|
func (r *IPLDRetriever) RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(address common.Address, key, hash common.Hash) (string, []byte, []byte, error) {
|
|
storageResult := new(nodeInfo)
|
|
stateLeafKey := crypto.Keccak256Hash(address.Bytes())
|
|
storageHash := crypto.Keccak256Hash(key.Bytes())
|
|
if err := r.db.Get(storageResult, RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockHashPgStr, stateLeafKey.Hex(), storageHash.Hex(), hash.Hex()); err != nil {
|
|
return "", nil, nil, err
|
|
}
|
|
if storageResult.StateLeafRemoved || storageResult.NodeType == removedNode {
|
|
return "", EmptyNodeValue, EmptyNodeValue, nil
|
|
}
|
|
|
|
blockNumber, err := strconv.ParseUint(storageResult.BlockNumber, 10, 64)
|
|
if err != nil {
|
|
return "", nil, nil, err
|
|
}
|
|
storageResult.Data, err = shared.FetchIPLD(r.db, storageResult.MhKey, blockNumber)
|
|
if err != nil {
|
|
return "", nil, nil, err
|
|
}
|
|
|
|
var i []interface{}
|
|
if err := rlp.DecodeBytes(storageResult.Data, &i); err != nil {
|
|
err = fmt.Errorf("error decoding storage leaf node rlp: %s", err.Error())
|
|
return "", nil, nil, err
|
|
}
|
|
if len(i) != 2 {
|
|
return "", nil, nil, fmt.Errorf("eth IPLDRetriever expected storage leaf node rlp to decode into two elements")
|
|
}
|
|
return storageResult.CID, storageResult.Data, i[1].([]byte), nil
|
|
}
|
|
|
|
// RetrieveStorageAtByAddressAndStorageKeyAndBlockNumber returns the cid and rlp bytes for the storage value corresponding to the provided address, storage key, and block number
|
|
// This can retrun a non-canonical value
|
|
func (r *IPLDRetriever) RetrieveStorageAtByAddressAndStorageKeyAndBlockNumber(address common.Address, storageLeafKey common.Hash, number uint64) (string, []byte, error) {
|
|
storageResult := new(nodeInfo)
|
|
stateLeafKey := crypto.Keccak256Hash(address.Bytes())
|
|
if err := r.db.Get(storageResult, RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockNumberPgStr, stateLeafKey.Hex(), storageLeafKey.Hex(), number); err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
if storageResult.StateLeafRemoved || storageResult.NodeType == removedNode {
|
|
return "", EmptyNodeValue, nil
|
|
}
|
|
|
|
var err error
|
|
storageResult.Data, err = shared.FetchIPLD(r.db, storageResult.MhKey, number)
|
|
if err != nil {
|
|
return "", nil, err
|
|
}
|
|
|
|
var i []interface{}
|
|
if err := rlp.DecodeBytes(storageResult.Data, &i); err != nil {
|
|
return "", nil, fmt.Errorf("error decoding storage leaf node rlp: %s", err.Error())
|
|
}
|
|
if len(i) != 2 {
|
|
return "", nil, fmt.Errorf("eth IPLDRetriever expected storage leaf node rlp to decode into two elements")
|
|
}
|
|
return storageResult.CID, i[1].([]byte), nil
|
|
}
|