70 lines
1.7 KiB
Go
70 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 token
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import (
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"context"
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"fmt"
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bin "github.com/gagliardetto/binary"
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"github.com/gagliardetto/solana-go/rpc"
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)
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const MINT_SIZE = 82
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func (mint *Mint) Decode(data []byte) error {
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mint = new(Mint)
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dec := bin.NewBinDecoder(data)
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if err := dec.Decode(&mint); err != nil {
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return fmt.Errorf("unable to decode mint: %w", err)
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}
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return nil
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}
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func FetchMints(ctx context.Context, rpcCli *rpc.Client) (out []*Mint, err error) {
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resp, err := rpcCli.GetProgramAccountsWithOpts(
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ctx,
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ProgramID,
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&rpc.GetProgramAccountsOpts{
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Filters: []rpc.RPCFilter{
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{
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DataSize: MINT_SIZE,
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},
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},
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},
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)
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if err != nil {
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return nil, err
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}
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if resp == nil {
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return nil, fmt.Errorf("resp empty... program account not found")
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}
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for _, keyedAcct := range resp {
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acct := keyedAcct.Account
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m := new(Mint)
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if err := m.Decode(acct.Data.GetBinary()); err != nil {
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return nil, fmt.Errorf("unable to decode mint %q: %w", acct.Owner.String(), err)
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}
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out = append(out, m)
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}
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return
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}
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