forked from gagliardetto/solana-go
/
rpc.go
89 lines (82 loc) · 2.25 KB
/
rpc.go
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// Copyright 2021 github.com/gagliardetto
// This file has been modified by github.com/gagliardetto
//
// Copyright 2020 dfuse Platform Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tokenregistry
import (
"context"
"fmt"
"github.com/17535250630/solana-go"
"github.com/17535250630/solana-go/rpc"
)
func GetTokenRegistryEntry(ctx context.Context, rpcCli *rpc.Client, mintAddress solana.PublicKey) (*TokenMeta, error) {
resp, err := rpcCli.GetProgramAccountsWithOpts(
ctx,
ProgramID(),
&rpc.GetProgramAccountsOpts{
Filters: []rpc.RPCFilter{
{
Memcmp: &rpc.RPCFilterMemcmp{
Offset: 5,
Bytes: mintAddress[:], // hackey to convert [32]byte to []byte
},
},
},
},
)
if err != nil {
return nil, err
}
if resp == nil {
return nil, fmt.Errorf("resp empty... cannot find account")
}
for _, keyedAcct := range resp {
acct := keyedAcct.Account
t, err := DecodeTokenMeta(acct.Data.GetBinary())
if err != nil {
return nil, fmt.Errorf("unable to decode token meta %q: %w", acct.Owner.String(), err)
}
return t, nil
}
return nil, rpc.ErrNotFound
}
func GetEntries(ctx context.Context, rpcCli *rpc.Client) (out []*TokenMeta, err error) {
resp, err := rpcCli.GetProgramAccountsWithOpts(
ctx,
ProgramID(),
&rpc.GetProgramAccountsOpts{
Filters: []rpc.RPCFilter{
{
DataSize: TOKEN_META_SIZE,
},
},
},
)
if err != nil {
return nil, err
}
if resp == nil {
return nil, fmt.Errorf("resp empty... cannot find accounts")
}
for _, keyedAcct := range resp {
acct := keyedAcct.Account
t, err := DecodeTokenMeta(acct.Data.GetBinary())
if err != nil {
return nil, fmt.Errorf("unable to decode token meta %q: %w", acct.Owner.String(), err)
}
out = append(out, t)
}
return out, nil
}