62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
package keystore
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import (
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"context"
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"crypto/ecdsa"
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eth_crypto "github.com/celo-org/celo-blockchain/crypto"
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"github.com/grassrootseconomics/cic-custodial/internal/queries"
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"github.com/grassrootseconomics/cic-custodial/pkg/keypair"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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type (
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Opts struct {
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PostgresPool *pgxpool.Pool
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Queries *queries.Queries
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}
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PostgresKeystore struct {
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db *pgxpool.Pool
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queries *queries.Queries
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}
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)
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func NewPostgresKeytore(o Opts) Keystore {
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return &PostgresKeystore{
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db: o.PostgresPool,
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queries: o.Queries,
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}
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}
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// WriteKeyPair inserts a keypair into the db and returns the linked id.
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func (ks *PostgresKeystore) WriteKeyPair(ctx context.Context, keypair keypair.Key) (uint, error) {
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var (
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id uint
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)
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if err := ks.db.QueryRow(ctx, ks.queries.WriteKeyPair, keypair.Public, keypair.Private).Scan(&id); err != nil {
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return id, err
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}
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return id, nil
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}
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// LoadPrivateKey loads a private key as a crypto primitive for direct use. An id is used to search for the private key.
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func (ks *PostgresKeystore) LoadPrivateKey(ctx context.Context, publicKey string) (*ecdsa.PrivateKey, error) {
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var (
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privateKeyString string
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)
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if err := ks.db.QueryRow(ctx, ks.queries.LoadKeyPair, publicKey).Scan(&privateKeyString); err != nil {
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return nil, err
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}
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privateKey, err := eth_crypto.HexToECDSA(privateKeyString)
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if err != nil {
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return nil, err
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}
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return privateKey, nil
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}
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