forked from cerc-io/ipld-eth-server
867f92c431
- Continuously parse storage diffs CSV data to read Pit contract state - Convert ilks in database to raw bytes32 value for use in generating storage keys dynamically - Persist storage diffs with block number and hash for validation
101 lines
2.3 KiB
Go
101 lines
2.3 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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"github.com/ethereum/go-ethereum/common"
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"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
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"math/big"
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)
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var (
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rayBase = big.NewFloat(1e27)
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wadBase = big.NewFloat(1e18)
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rayPrecision = 27
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wadPrecision = 18
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ray = "ray"
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wad = "wad"
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)
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func BigIntToInt64(value *big.Int) int64 {
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if value == nil {
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return int64(0)
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} else {
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return value.Int64()
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}
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}
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func BigIntToString(value *big.Int) string {
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result := value.String()
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if result == "<nil>" {
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return ""
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} else {
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return result
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}
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}
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func GetDataBytesAtIndex(n int, logData []byte) []byte {
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switch {
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case n == -1:
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return logData[len(logData)-constants.DataItemLength:]
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case n == -2:
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return logData[len(logData)-(2*constants.DataItemLength) : len(logData)-constants.DataItemLength]
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case n == -3:
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return logData[len(logData)-(3*constants.DataItemLength) : len(logData)-(2*constants.DataItemLength)]
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}
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return []byte{}
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}
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func GetHexWithoutPrefix(raw []byte) string {
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return common.Bytes2Hex(raw)
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}
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func ConvertToRay(value string) string {
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return convert(ray, value, rayPrecision)
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}
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func ConvertToWad(value string) string {
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return convert(wad, value, wadPrecision)
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}
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func convert(conversion string, value string, precision int) string {
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result := big.NewFloat(0.0)
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bigFloat := big.NewFloat(0.0)
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bigFloat.SetString(value)
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switch conversion {
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case ray:
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result.Quo(bigFloat, rayBase)
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case wad:
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result.Quo(bigFloat, wadBase)
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}
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return result.Text('f', precision)
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}
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func MinInt64(ints []int64) (min int64) {
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if len(ints) == 0 {
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return 0
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}
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min = ints[0]
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for _, i := range ints {
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if i < min {
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min = i
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}
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}
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return
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}
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