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event.go
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/
event.go
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package abi
import (
"fmt"
"strings"
"github.com/ligo-ai/ligo-chain/common"
"github.com/ligo-ai/ligo-chain/crypto"
)
type Event struct {
Name string
RawName string
Anonymous bool
Inputs Arguments
}
func (e Event) String() string {
inputs := make([]string, len(e.Inputs))
for i, input := range e.Inputs {
inputs[i] = fmt.Sprintf("%v %v", input.Type, input.Name)
if input.Indexed {
inputs[i] = fmt.Sprintf("%v indexed %v", input.Type, input.Name)
}
}
return fmt.Sprintf("event %v(%v)", e.RawName, strings.Join(inputs, ", "))
}
func (e Event) Sig() string {
types := make([]string, len(e.Inputs))
for i, input := range e.Inputs {
types[i] = input.Type.String()
}
return fmt.Sprintf("%v(%v)", e.RawName, strings.Join(types, ","))
}
func (e Event) ID() common.Hash {
return common.BytesToHash(crypto.Keccak256([]byte(e.Sig())))
}