package storage import ( "context" "github.com/filecoin-project/lotus/chain/actors/builtin/miner" "golang.org/x/xerrors" "github.com/filecoin-project/go-address" "github.com/filecoin-project/go-state-types/abi" "github.com/filecoin-project/lotus/chain/types" ) type AddrUse int const ( PreCommitAddr AddrUse = iota CommitAddr PoStAddr ) type addrSelectApi interface { WalletBalance(context.Context, address.Address) (types.BigInt, error) WalletHas(context.Context, address.Address) (bool, error) StateAccountKey(context.Context, address.Address, types.TipSetKey) (address.Address, error) } func AddressFor(ctx context.Context, a addrSelectApi, mi miner.MinerInfo, use AddrUse, minFunds abi.TokenAmount) (address.Address, error) { switch use { case PreCommitAddr, CommitAddr: // always use worker, at least for now return mi.Worker, nil } for _, addr := range mi.ControlAddresses { b, err := a.WalletBalance(ctx, addr) if err != nil { return address.Undef, xerrors.Errorf("checking control address balance: %w", err) } if b.GreaterThanEqual(minFunds) { k, err := a.StateAccountKey(ctx, addr, types.EmptyTSK) if err != nil { log.Errorw("getting account key", "error", err) continue } have, err := a.WalletHas(ctx, k) if err != nil { return address.Undef, xerrors.Errorf("failed to check control address: %w", err) } if !have { log.Errorw("don't have key", "key", k) continue } return addr, nil } log.Warnw("control address didn't have enough funds for PoSt message", "address", addr, "required", types.FIL(minFunds), "balance", types.FIL(b)) } // Try to use the owner account if we can, fallback to worker if we can't b, err := a.WalletBalance(ctx, mi.Owner) if err != nil { return address.Undef, xerrors.Errorf("checking owner balance: %w", err) } if !b.GreaterThanEqual(minFunds) { return mi.Worker, nil } k, err := a.StateAccountKey(ctx, mi.Owner, types.EmptyTSK) if err != nil { log.Errorw("getting owner account key", "error", err) return mi.Worker, nil } have, err := a.WalletHas(ctx, k) if err != nil { return address.Undef, xerrors.Errorf("failed to check owner address: %w", err) } if !have { return mi.Worker, nil } return mi.Owner, nil }