11dd641a84
- If we recognize a storage diff as coming from a watched contract but don't recognize the key, queue it for retrying later (after we've seen an event that might help us recognize the key) - Remove unused errs and args - Panic on unrecognized types (should not happen)
46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
// VulcanizeDB
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// Copyright © 2018 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 shared
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/common"
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"math/big"
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)
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func Decode(row StorageDiffRow, metadata StorageValueMetadata) (interface{}, error) {
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switch metadata.Type {
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case Uint256:
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return decodeUint256(row.StorageValue.Bytes()), nil
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case Address:
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return decodeAddress(row.StorageValue.Bytes()), nil
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case Bytes32:
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return row.StorageValue.Hex(), nil
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default:
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panic(fmt.Sprintf("can't decode unknown type: %d", metadata.Type))
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}
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}
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func decodeUint256(raw []byte) string {
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n := big.NewInt(0).SetBytes(raw)
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return n.String()
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}
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func decodeAddress(raw []byte) string {
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return common.BytesToAddress(raw).Hex()
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}
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