154 lines
4.4 KiB
Go
154 lines
4.4 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 ipfs
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import (
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"encoding/json"
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"math/big"
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"github.com/vulcanize/vulcanizedb/pkg/config"
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"github.com/ipfs/go-block-format"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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)
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// Subscription holds the information for an individual client subscription
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type Subscription struct {
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PayloadChan chan<- ResponsePayload
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QuitChan chan<- bool
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StreamFilters *config.Subscription
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}
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// ResponsePayload holds the data returned from the seed node to the requesting client
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type ResponsePayload struct {
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HeadersRlp [][]byte `json:"headersRlp"`
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UnclesRlp [][]byte `json:"unclesRlp"`
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TransactionsRlp [][]byte `json:"transactionsRlp"`
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ReceiptsRlp [][]byte `json:"receiptsRlp"`
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StateNodesRlp map[common.Hash][]byte `json:"stateNodesRlp"`
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StorageNodesRlp map[common.Hash]map[common.Hash][]byte `json:"storageNodesRlp"`
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Err error `json:"error"`
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encoded []byte
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err error
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}
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func (sd *ResponsePayload) ensureEncoded() {
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if sd.encoded == nil && sd.err == nil {
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sd.encoded, sd.err = json.Marshal(sd)
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}
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}
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// Length to implement Encoder interface for StateDiff
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func (sd *ResponsePayload) Length() int {
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sd.ensureEncoded()
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return len(sd.encoded)
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}
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// Encode to implement Encoder interface for StateDiff
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func (sd *ResponsePayload) Encode() ([]byte, error) {
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sd.ensureEncoded()
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return sd.encoded, sd.err
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}
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// CidWrapper is used to package CIDs retrieved from the local Postgres cache
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type CidWrapper struct {
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BlockNumber int64
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Headers []string
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Transactions []string
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Receipts []string
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StateNodes []StateNodeCID
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StorageNodes []StorageNodeCID
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}
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// IpldWrapper is used to package raw IPLD block data for resolution
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type IpldWrapper struct {
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Headers []blocks.Block
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Transactions []blocks.Block
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Receipts []blocks.Block
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StateNodes map[common.Hash]blocks.Block
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StorageNodes map[common.Hash]map[common.Hash]blocks.Block
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}
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// IPLDPayload is a custom type which packages ETH data for the IPFS publisher
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type IPLDPayload struct {
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HeaderRLP []byte
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BlockNumber *big.Int
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BlockHash common.Hash
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BlockBody *types.Body
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TrxMetaData []*TrxMetaData
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Receipts types.Receipts
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ReceiptMetaData []*ReceiptMetaData
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StateNodes map[common.Hash]StateNode
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StorageNodes map[common.Hash][]StorageNode
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}
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// StateNode struct used to flag node as leaf or not
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type StateNode struct {
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Value []byte
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Leaf bool
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}
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// StorageNode struct used to flag node as leaf or not
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type StorageNode struct {
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Key common.Hash
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Value []byte
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Leaf bool
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}
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// CIDPayload is a struct to hold all the CIDs and their meta data
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type CIDPayload struct {
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BlockNumber string
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BlockHash common.Hash
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HeaderCID string
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UncleCIDS map[common.Hash]string
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TransactionCIDs map[common.Hash]*TrxMetaData
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ReceiptCIDs map[common.Hash]*ReceiptMetaData
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StateNodeCIDs map[common.Hash]StateNodeCID
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StorageNodeCIDs map[common.Hash][]StorageNodeCID
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}
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// StateNodeCID is used to associate a leaf flag with a state node cid
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type StateNodeCID struct {
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CID string
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Leaf bool
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Key string `db:"state_key"`
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}
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// StorageNodeCID is used to associate a leaf flag with a storage node cid
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type StorageNodeCID struct {
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Key string `db:"storage_key"`
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CID string
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Leaf bool
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StateKey string `db:"state_key"`
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}
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// ReceiptMetaData wraps some additional data around our receipt CIDs for indexing
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type ReceiptMetaData struct {
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CID string
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Topic0s []string
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}
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// TrxMetaData wraps some additional data around our transaction CID for indexing
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type TrxMetaData struct {
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CID string
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Src string
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Dst string
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}
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