forked from cerc-io/plugeth
78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
package ui
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import (
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/ethutil"
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)
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func fromHex(s string) []byte {
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if len(s) > 1 {
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if s[0:2] == "0x" {
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s = s[2:]
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}
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return ethutil.Hex2Bytes(s)
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}
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return nil
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}
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func NewFilterFromMap(object map[string]interface{}, eth core.Backend) *core.Filter {
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filter := core.NewFilter(eth)
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if object["earliest"] != nil {
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val := ethutil.NewValue(object["earliest"])
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filter.SetEarliestBlock(val.Int())
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}
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if object["latest"] != nil {
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val := ethutil.NewValue(object["latest"])
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filter.SetLatestBlock(val.Int())
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}
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if object["address"] != nil {
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val := ethutil.NewValue(object["address"])
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filter.SetAddress(fromHex(val.Str()))
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}
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if object["max"] != nil {
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val := ethutil.NewValue(object["max"])
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filter.SetMax(int(val.Uint()))
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}
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if object["skip"] != nil {
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val := ethutil.NewValue(object["skip"])
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filter.SetSkip(int(val.Uint()))
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}
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if object["topics"] != nil {
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filter.SetTopics(MakeTopics(object["topics"]))
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}
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return filter
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}
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// Conversion methodn
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func mapToAccountChange(m map[string]interface{}) (d core.AccountChange) {
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if str, ok := m["id"].(string); ok {
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d.Address = fromHex(str)
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}
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if str, ok := m["at"].(string); ok {
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d.StateAddress = fromHex(str)
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}
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return
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}
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// data can come in in the following formats:
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// ["aabbccdd", {id: "ccddee", at: "11223344"}], "aabbcc", {id: "ccddee", at: "1122"}
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func MakeTopics(v interface{}) (d [][]byte) {
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if str, ok := v.(string); ok {
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d = append(d, fromHex(str))
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} else if slice, ok := v.([]string); ok {
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for _, item := range slice {
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d = append(d, fromHex(item))
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}
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}
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return
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}
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