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package ui
import (
"github.com/ethereum/go-ethereum/chain"
"github.com/ethereum/go-ethereum/ethutil"
)
func NewFilterFromMap(object map[string]interface{}, eth chain.EthManager) *chain.Filter {
filter := chain.NewFilter(eth)
if object["earliest"] != nil {
val := ethutil.NewValue(object["earliest"])
filter.SetEarliestBlock(val.Int())
}
if object["latest"] != nil {
val := ethutil.NewValue(object["latest"])
filter.SetLatestBlock(val.Int())
}
if object["to"] != nil {
val := ethutil.NewValue(object["to"])
filter.AddTo(ethutil.Hex2Bytes(val.Str()))
}
if object["from"] != nil {
val := ethutil.NewValue(object["from"])
filter.AddFrom(ethutil.Hex2Bytes(val.Str()))
}
if object["max"] != nil {
val := ethutil.NewValue(object["max"])
filter.SetMax(int(val.Uint()))
}
if object["skip"] != nil {
val := ethutil.NewValue(object["skip"])
filter.SetSkip(int(val.Uint()))
}
if object["altered"] != nil {
filter.Altered = makeAltered(object["altered"])
}
return filter
}
// Conversion methodn
func mapToAccountChange(m map[string]interface{}) (d chain.AccountChange) {
if str, ok := m["id"].(string); ok {
d.Address = ethutil.Hex2Bytes(str)
}
if str, ok := m["at"].(string); ok {
d.StateAddress = ethutil.Hex2Bytes(str)
}
return
}
// data can come in in the following formats:
// ["aabbccdd", {id: "ccddee", at: "11223344"}], "aabbcc", {id: "ccddee", at: "1122"}
func makeAltered(v interface{}) (d []chain.AccountChange) {
if str, ok := v.(string); ok {
d = append(d, chain.AccountChange{ethutil.Hex2Bytes(str), nil})
} else if obj, ok := v.(map[string]interface{}); ok {
d = append(d, mapToAccountChange(obj))
} else if slice, ok := v.([]interface{}); ok {
for _, item := range slice {
d = append(d, makeAltered(item)...)
}
}
return
}
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