101 lines
3.3 KiB
Go
101 lines
3.3 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/ipfs/go-block-format"
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)
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// IPLDResolver satisfies the IPLDResolver interface for ethereum
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type IPLDResolver struct{}
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// NewIPLDResolver returns a pointer to an IPLDResolver which satisfies the IPLDResolver interface
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func NewIPLDResolver() *IPLDResolver {
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return &IPLDResolver{}
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}
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// Resolve is the exported method for resolving all of the ETH IPLDs packaged in an IpfsBlockWrapper
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func (eir *IPLDResolver) Resolve(iplds interface{}) (interface{}, error) {
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ipfsBlocks, ok := iplds.(*IPLDWrapper)
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if !ok {
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return StreamPayload{}, fmt.Errorf("eth resolver expected iplds type %T got %T", &IPLDWrapper{}, iplds)
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}
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return StreamPayload{
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BlockNumber: ipfsBlocks.BlockNumber,
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HeadersRlp: eir.ResolveHeaders(ipfsBlocks.Headers),
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UnclesRlp: eir.ResolveUncles(ipfsBlocks.Uncles),
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TransactionsRlp: eir.ResolveTransactions(ipfsBlocks.Transactions),
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ReceiptsRlp: eir.ResolveReceipts(ipfsBlocks.Receipts),
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StateNodesRlp: eir.ResolveState(ipfsBlocks.StateNodes),
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StorageNodesRlp: eir.ResolveStorage(ipfsBlocks.StorageNodes),
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}, nil
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}
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func (eir *IPLDResolver) ResolveHeaders(iplds []blocks.Block) [][]byte {
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headerRlps := make([][]byte, 0, len(iplds))
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for _, ipld := range iplds {
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headerRlps = append(headerRlps, ipld.RawData())
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}
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return headerRlps
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}
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func (eir *IPLDResolver) ResolveUncles(iplds []blocks.Block) [][]byte {
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uncleRlps := make([][]byte, 0, len(iplds))
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for _, ipld := range iplds {
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uncleRlps = append(uncleRlps, ipld.RawData())
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}
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return uncleRlps
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}
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func (eir *IPLDResolver) ResolveTransactions(iplds []blocks.Block) [][]byte {
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trxs := make([][]byte, 0, len(iplds))
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for _, ipld := range iplds {
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trxs = append(trxs, ipld.RawData())
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}
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return trxs
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}
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func (eir *IPLDResolver) ResolveReceipts(iplds []blocks.Block) [][]byte {
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rcts := make([][]byte, 0, len(iplds))
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for _, ipld := range iplds {
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rcts = append(rcts, ipld.RawData())
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}
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return rcts
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}
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func (eir *IPLDResolver) ResolveState(iplds map[common.Hash]blocks.Block) map[common.Hash][]byte {
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stateNodes := make(map[common.Hash][]byte, len(iplds))
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for key, ipld := range iplds {
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stateNodes[key] = ipld.RawData()
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}
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return stateNodes
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}
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func (eir *IPLDResolver) ResolveStorage(iplds map[common.Hash]map[common.Hash]blocks.Block) map[common.Hash]map[common.Hash][]byte {
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storageNodes := make(map[common.Hash]map[common.Hash][]byte)
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for stateKey, storageIPLDs := range iplds {
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storageNodes[stateKey] = make(map[common.Hash][]byte)
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for storageKey, storageVal := range storageIPLDs {
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storageNodes[stateKey][storageKey] = storageVal.RawData()
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}
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}
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return storageNodes
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}
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