diff options
Diffstat (limited to 'accounts/abi/event.go')
| -rw-r--r-- | accounts/abi/event.go | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/accounts/abi/event.go b/accounts/abi/event.go deleted file mode 100644 index 7a41baa..0000000 --- a/accounts/abi/event.go +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright 2016 The go-ethereum Authors -// This file is part of the go-ethereum library. -// -// The go-ethereum library is free software: you can redistribute it and/or modify -// it under the terms of the GNU Lesser General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// The go-ethereum library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU Lesser General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public License -// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. - -package abi - -import ( - "fmt" - "strings" - - "github.com/ava-labs/go-ethereum/common" - "github.com/ava-labs/go-ethereum/crypto" -) - -// Event is an event potentially triggered by the EVM's LOG mechanism. The Event -// holds type information (inputs) about the yielded output. Anonymous events -// don't get the signature canonical representation as the first LOG topic. -type Event struct { - // Name is the event name used for internal representation. It's derived from - // the raw name and a suffix will be added in the case of a event overload. - // - // e.g. - // There are two events have same name: - // * foo(int,int) - // * foo(uint,uint) - // The event name of the first one wll be resolved as foo while the second one - // will be resolved as foo0. - Name string - // RawName is the raw event name parsed from ABI. - 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, ", ")) -} - -// Sig returns the event string signature according to the ABI spec. -// -// Example -// -// event foo(uint32 a, int b) = "foo(uint32,int256)" -// -// Please note that "int" is substitute for its canonical representation "int256" -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, ",")) -} - -// ID returns the canonical representation of the event's signature used by the -// abi definition to identify event names and types. -func (e Event) ID() common.Hash { - return common.BytesToHash(crypto.Keccak256([]byte(e.Sig()))) -} |