50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
// Copyright 2021 github.com/gagliardetto
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// This file has been modified by github.com/gagliardetto
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//
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// Copyright 2020 dfuse Platform Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package solana
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import (
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"fmt"
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)
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// InstructionDecoder receives the AccountMeta FOR THAT INSTRUCTION,
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// and not the accounts of the *Message object. Resolve with
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// CompiledInstruction.ResolveInstructionAccounts(message) beforehand.
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type InstructionDecoder func(instructionAccounts []*AccountMeta, data []byte) (interface{}, error)
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var InstructionDecoderRegistry = map[string]InstructionDecoder{}
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func RegisterInstructionDecoder(programID PublicKey, decoder InstructionDecoder) {
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pid := programID.String()
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if _, found := InstructionDecoderRegistry[pid]; found {
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panic(fmt.Sprintf("unable to re-register instruction decoder for program %q", pid))
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}
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InstructionDecoderRegistry[pid] = decoder
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}
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func DecodeInstruction(programID PublicKey, accounts []*AccountMeta, data []byte) (interface{}, error) {
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pid := programID.String()
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decoder, found := InstructionDecoderRegistry[pid]
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if !found {
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return nil, fmt.Errorf("instruction decoder not found for %s", pid)
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}
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return decoder(accounts, data)
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}
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