mirror of
https://github.com/grassrootseconomics/cic-custodial.git
synced 2024-11-25 15:26:46 +01:00
Mohamed Sohail
9e1d62a014
* wip: add transfer auithorization * feat: update transferAuthPayload * switch to MAX_INT for value and use revoke flag * tranfer handler: fix nonce rollback on EOA account * feat: switch to session based session transfer auth * Demurrage contracts require setting the approval value to 0 before updating the value after the initial limit is set * This implementation auto-revokes every 15 min after arequest is created. Subsequent requests will fail untill the value is set back to 0 * feat: settable approve session timeout
90 lines
2.4 KiB
Go
90 lines
2.4 KiB
Go
package custodial
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import (
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"context"
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"crypto/ecdsa"
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"time"
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"github.com/bsm/redislock"
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"github.com/celo-org/celo-blockchain/common"
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eth_crypto "github.com/celo-org/celo-blockchain/crypto"
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"github.com/grassrootseconomics/celoutils"
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"github.com/grassrootseconomics/cic-custodial/internal/nonce"
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"github.com/grassrootseconomics/cic-custodial/internal/store"
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"github.com/grassrootseconomics/cic-custodial/internal/tasker"
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"github.com/grassrootseconomics/cic-custodial/pkg/util"
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"github.com/grassrootseconomics/w3-celo-patch"
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"github.com/redis/go-redis/v9"
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"github.com/zerodha/logf"
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)
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type (
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Opts struct {
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ApprovalTimeout time.Duration
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CeloProvider *celoutils.Provider
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LockProvider *redislock.Client
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Logg logf.Logger
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Noncestore nonce.Noncestore
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Store store.Store
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RedisClient *redis.Client
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RegistryAddress string
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SystemPrivateKey string
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SystemPublicKey string
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TaskerClient *tasker.TaskerClient
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}
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Custodial struct {
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ApprovalTimeout time.Duration
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Abis map[string]*w3.Func
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CeloProvider *celoutils.Provider
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LockProvider *redislock.Client
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Logg logf.Logger
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Noncestore nonce.Noncestore
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Store store.Store
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RedisClient *redis.Client
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RegistryMap map[string]common.Address
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SystemPrivateKey *ecdsa.PrivateKey
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SystemPublicKey string
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TaskerClient *tasker.TaskerClient
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}
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)
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func NewCustodial(o Opts) (*Custodial, error) {
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ctx, cancel := context.WithTimeout(context.Background(), util.SLATimeout)
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defer cancel()
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registryMap, err := o.CeloProvider.RegistryMap(ctx, celoutils.HexToAddress(o.RegistryAddress))
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if err != nil {
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o.Logg.Error("custodial: critical error loading contracts from registry: %v", err)
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return nil, err
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}
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systemNonce, err := o.Noncestore.Peek(ctx, o.SystemPublicKey)
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if err != nil {
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return nil, err
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}
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o.Logg.Info("custodial: loaded_nonce", "system_nonce", systemNonce)
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privateKey, err := eth_crypto.HexToECDSA(o.SystemPrivateKey)
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if err != nil {
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return nil, err
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}
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return &Custodial{
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ApprovalTimeout: o.ApprovalTimeout,
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Abis: initAbis(),
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CeloProvider: o.CeloProvider,
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LockProvider: o.LockProvider,
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Logg: o.Logg,
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Noncestore: o.Noncestore,
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Store: o.Store,
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RedisClient: o.RedisClient,
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RegistryMap: registryMap,
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SystemPrivateKey: privateKey,
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SystemPublicKey: o.SystemPublicKey,
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TaskerClient: o.TaskerClient,
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}, nil
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}
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