lotus/storage/addresses.go

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package storage
import (
"context"
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"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
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"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)
}
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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
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}