73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
package tokenregistry
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import (
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"context"
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"fmt"
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"github.com/gagliardetto/solana-go"
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"github.com/gagliardetto/solana-go/rpc"
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)
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func GetTokenRegistryEntry(ctx context.Context, rpcCli *rpc.Client, mintAddress solana.PublicKey) (*TokenMeta, 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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Memcmp: &rpc.RPCFilterMemcmp{
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Offset: 5,
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Bytes: mintAddress[:], // hackey to convert [32]byte to []byte
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},
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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... cannot find account")
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}
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for _, keyedAcct := range resp {
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acct := keyedAcct.Account
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t, err := DecodeTokenMeta(acct.Data.GetBinary())
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if err != nil {
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return nil, fmt.Errorf("unable to decode token meta %q: %w", acct.Owner.String(), err)
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}
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return t, nil
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}
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return nil, rpc.ErrNotFound
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}
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func GetEntries(ctx context.Context, rpcCli *rpc.Client) (out []*TokenMeta, 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: TOKEN_META_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... cannot find accounts")
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}
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for _, keyedAcct := range resp {
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acct := keyedAcct.Account
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t, err := DecodeTokenMeta(acct.Data.GetBinary())
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if err != nil {
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return nil, fmt.Errorf("unable to decode token meta %q: %w", acct.Owner.String(), err)
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}
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out = append(out, t)
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}
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return out, nil
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}
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