47 lines
1.4 KiB
Go
47 lines
1.4 KiB
Go
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package verifreg
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import (
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/big"
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"github.com/filecoin-project/lotus/chain/actors/adt"
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"github.com/filecoin-project/lotus/chain/actors/builtin"
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"github.com/ipfs/go-cid"
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"golang.org/x/xerrors"
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)
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func getDataCap(store adt.Store, ver builtin.Version, root cid.Cid, addr address.Address) (bool, abi.StoragePower, error) {
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if addr.Protocol() != address.ID {
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return false, big.Zero(), xerrors.Errorf("can only look up ID addresses")
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}
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vh, err := adt.AsMap(store, root, ver)
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if err != nil {
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return false, big.Zero(), xerrors.Errorf("loading verifreg: %w", err)
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}
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var dcap abi.StoragePower
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if found, err := vh.Get(abi.AddrKey(addr), &dcap); err != nil {
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return false, big.Zero(), xerrors.Errorf("looking up addr: %w", err)
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} else if !found {
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return false, big.Zero(), nil
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}
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return true, dcap, nil
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}
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func forEachCap(store adt.Store, ver builtin.Version, root cid.Cid, cb func(addr address.Address, dcap abi.StoragePower) error) error {
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vh, err := adt.AsMap(store, root, ver)
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if err != nil {
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return xerrors.Errorf("loading verified clients: %w", err)
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}
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var dcap abi.StoragePower
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return vh.ForEach(&dcap, func(key string) error {
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a, err := address.NewFromBytes([]byte(key))
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if err != nil {
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return err
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}
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return cb(a, dcap)
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})
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}
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