383 lines
14 KiB
Go
383 lines
14 KiB
Go
package main
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import (
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"context"
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"fmt"
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"time"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-bitfield"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/crypto"
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"github.com/filecoin-project/go-state-types/dline"
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"github.com/filecoin-project/go-state-types/network"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/actors/builtin/miner"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/lib/sigs"
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_ "github.com/filecoin-project/lotus/lib/sigs/bls"
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_ "github.com/filecoin-project/lotus/lib/sigs/secp"
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"github.com/filecoin-project/lotus/node/impl/full"
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"github.com/ipfs/go-cid"
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)
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const (
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LookbackCap = time.Hour * 24
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StateWaitLookbackLimit = abi.ChainEpoch(20)
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)
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var (
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ErrLookbackTooLong = fmt.Errorf("lookbacks of more than %s are disallowed", LookbackCap)
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)
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// gatewayDepsAPI defines the API methods that the GatewayAPI depends on
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// (to make it easy to mock for tests)
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type gatewayDepsAPI interface {
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Version(context.Context) (api.Version, error)
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ChainGetBlockMessages(context.Context, cid.Cid) (*api.BlockMessages, error)
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ChainGetMessage(ctx context.Context, mc cid.Cid) (*types.Message, error)
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ChainGetNode(ctx context.Context, p string) (*api.IpldObject, error)
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ChainGetTipSet(ctx context.Context, tsk types.TipSetKey) (*types.TipSet, error)
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ChainGetTipSetByHeight(ctx context.Context, h abi.ChainEpoch, tsk types.TipSetKey) (*types.TipSet, error)
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ChainHasObj(context.Context, cid.Cid) (bool, error)
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ChainHead(ctx context.Context) (*types.TipSet, error)
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ChainNotify(context.Context) (<-chan []*api.HeadChange, error)
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ChainReadObj(context.Context, cid.Cid) ([]byte, error)
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GasEstimateMessageGas(ctx context.Context, msg *types.Message, spec *api.MessageSendSpec, tsk types.TipSetKey) (*types.Message, error)
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MpoolPushUntrusted(ctx context.Context, sm *types.SignedMessage) (cid.Cid, error)
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MsigGetAvailableBalance(ctx context.Context, addr address.Address, tsk types.TipSetKey) (types.BigInt, error)
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MsigGetVested(ctx context.Context, addr address.Address, start types.TipSetKey, end types.TipSetKey) (types.BigInt, error)
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StateAccountKey(ctx context.Context, addr address.Address, tsk types.TipSetKey) (address.Address, error)
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StateDealProviderCollateralBounds(ctx context.Context, size abi.PaddedPieceSize, verified bool, tsk types.TipSetKey) (api.DealCollateralBounds, error)
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StateGetActor(ctx context.Context, actor address.Address, ts types.TipSetKey) (*types.Actor, error)
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StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)
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StateLookupID(ctx context.Context, addr address.Address, tsk types.TipSetKey) (address.Address, error)
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StateListMiners(ctx context.Context, tsk types.TipSetKey) ([]address.Address, error)
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StateMarketBalance(ctx context.Context, addr address.Address, tsk types.TipSetKey) (api.MarketBalance, error)
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StateMarketStorageDeal(ctx context.Context, dealId abi.DealID, tsk types.TipSetKey) (*api.MarketDeal, error)
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StateNetworkVersion(context.Context, types.TipSetKey) (network.Version, error)
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StateWaitMsgLimited(ctx context.Context, msg cid.Cid, confidence uint64, h abi.ChainEpoch) (*api.MsgLookup, error)
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StateReadState(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*api.ActorState, error)
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StateMinerPower(context.Context, address.Address, types.TipSetKey) (*api.MinerPower, error)
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StateMinerFaults(context.Context, address.Address, types.TipSetKey) (bitfield.BitField, error)
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StateMinerRecoveries(context.Context, address.Address, types.TipSetKey) (bitfield.BitField, error)
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StateMinerInfo(context.Context, address.Address, types.TipSetKey) (miner.MinerInfo, error)
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StateMinerDeadlines(context.Context, address.Address, types.TipSetKey) ([]api.Deadline, error)
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StateMinerAvailableBalance(context.Context, address.Address, types.TipSetKey) (types.BigInt, error)
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StateMinerProvingDeadline(context.Context, address.Address, types.TipSetKey) (*dline.Info, error)
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StateCirculatingSupply(context.Context, types.TipSetKey) (abi.TokenAmount, error)
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StateVMCirculatingSupplyInternal(context.Context, types.TipSetKey) (api.CirculatingSupply, error)
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}
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type GatewayAPI struct {
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api gatewayDepsAPI
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lookbackCap time.Duration
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stateWaitLookbackLimit abi.ChainEpoch
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}
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// NewGatewayAPI creates a new GatewayAPI with the default lookback cap
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func NewGatewayAPI(api gatewayDepsAPI) *GatewayAPI {
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return newGatewayAPI(api, LookbackCap, StateWaitLookbackLimit)
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}
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// used by the tests
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func newGatewayAPI(api gatewayDepsAPI, lookbackCap time.Duration, stateWaitLookbackLimit abi.ChainEpoch) *GatewayAPI {
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return &GatewayAPI{api: api, lookbackCap: lookbackCap, stateWaitLookbackLimit: stateWaitLookbackLimit}
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}
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func (a *GatewayAPI) checkTipsetKey(ctx context.Context, tsk types.TipSetKey) error {
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if tsk.IsEmpty() {
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return nil
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}
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ts, err := a.api.ChainGetTipSet(ctx, tsk)
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if err != nil {
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return err
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}
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return a.checkTipset(ts)
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}
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func (a *GatewayAPI) checkTipset(ts *types.TipSet) error {
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at := time.Unix(int64(ts.Blocks()[0].Timestamp), 0)
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if err := a.checkTimestamp(at); err != nil {
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return fmt.Errorf("bad tipset: %w", err)
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}
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return nil
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}
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func (a *GatewayAPI) checkTipsetHeight(ts *types.TipSet, h abi.ChainEpoch) error {
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tsBlock := ts.Blocks()[0]
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heightDelta := time.Duration(uint64(tsBlock.Height-h)*build.BlockDelaySecs) * time.Second
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timeAtHeight := time.Unix(int64(tsBlock.Timestamp), 0).Add(-heightDelta)
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if err := a.checkTimestamp(timeAtHeight); err != nil {
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return fmt.Errorf("bad tipset height: %w", err)
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}
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return nil
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}
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func (a *GatewayAPI) checkTimestamp(at time.Time) error {
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if time.Since(at) > a.lookbackCap {
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return ErrLookbackTooLong
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}
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return nil
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}
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func (a *GatewayAPI) Version(ctx context.Context) (api.Version, error) {
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return a.api.Version(ctx)
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}
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func (a *GatewayAPI) ChainGetBlockMessages(ctx context.Context, c cid.Cid) (*api.BlockMessages, error) {
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return a.api.ChainGetBlockMessages(ctx, c)
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}
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func (a *GatewayAPI) ChainHasObj(ctx context.Context, c cid.Cid) (bool, error) {
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return a.api.ChainHasObj(ctx, c)
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}
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func (a *GatewayAPI) ChainHead(ctx context.Context) (*types.TipSet, error) {
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// TODO: cache and invalidate cache when timestamp is up (or have internal ChainNotify)
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return a.api.ChainHead(ctx)
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}
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func (a *GatewayAPI) ChainGetMessage(ctx context.Context, mc cid.Cid) (*types.Message, error) {
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return a.api.ChainGetMessage(ctx, mc)
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}
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func (a *GatewayAPI) ChainGetTipSet(ctx context.Context, tsk types.TipSetKey) (*types.TipSet, error) {
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return a.api.ChainGetTipSet(ctx, tsk)
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}
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func (a *GatewayAPI) ChainGetTipSetByHeight(ctx context.Context, h abi.ChainEpoch, tsk types.TipSetKey) (*types.TipSet, error) {
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var ts *types.TipSet
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if tsk.IsEmpty() {
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head, err := a.api.ChainHead(ctx)
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if err != nil {
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return nil, err
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}
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ts = head
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} else {
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gts, err := a.api.ChainGetTipSet(ctx, tsk)
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if err != nil {
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return nil, err
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}
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ts = gts
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}
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// Check if the tipset key refers to a tipset that's too far in the past
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if err := a.checkTipset(ts); err != nil {
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return nil, err
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}
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// Check if the height is too far in the past
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if err := a.checkTipsetHeight(ts, h); err != nil {
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return nil, err
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}
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return a.api.ChainGetTipSetByHeight(ctx, h, tsk)
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}
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func (a *GatewayAPI) ChainGetNode(ctx context.Context, p string) (*api.IpldObject, error) {
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return a.api.ChainGetNode(ctx, p)
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}
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func (a *GatewayAPI) ChainNotify(ctx context.Context) (<-chan []*api.HeadChange, error) {
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return a.api.ChainNotify(ctx)
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}
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func (a *GatewayAPI) ChainReadObj(ctx context.Context, c cid.Cid) ([]byte, error) {
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return a.api.ChainReadObj(ctx, c)
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}
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func (a *GatewayAPI) GasEstimateMessageGas(ctx context.Context, msg *types.Message, spec *api.MessageSendSpec, tsk types.TipSetKey) (*types.Message, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return nil, err
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}
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return a.api.GasEstimateMessageGas(ctx, msg, spec, tsk)
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}
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func (a *GatewayAPI) MpoolPush(ctx context.Context, sm *types.SignedMessage) (cid.Cid, error) {
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// TODO: additional anti-spam checks
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return a.api.MpoolPushUntrusted(ctx, sm)
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}
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func (a *GatewayAPI) MsigGetAvailableBalance(ctx context.Context, addr address.Address, tsk types.TipSetKey) (types.BigInt, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return types.NewInt(0), err
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}
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return a.api.MsigGetAvailableBalance(ctx, addr, tsk)
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}
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func (a *GatewayAPI) MsigGetVested(ctx context.Context, addr address.Address, start types.TipSetKey, end types.TipSetKey) (types.BigInt, error) {
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if err := a.checkTipsetKey(ctx, start); err != nil {
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return types.NewInt(0), err
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}
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if err := a.checkTipsetKey(ctx, end); err != nil {
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return types.NewInt(0), err
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}
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return a.api.MsigGetVested(ctx, addr, start, end)
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}
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func (a *GatewayAPI) StateAccountKey(ctx context.Context, addr address.Address, tsk types.TipSetKey) (address.Address, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return address.Undef, err
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}
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return a.api.StateAccountKey(ctx, addr, tsk)
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}
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func (a *GatewayAPI) StateDealProviderCollateralBounds(ctx context.Context, size abi.PaddedPieceSize, verified bool, tsk types.TipSetKey) (api.DealCollateralBounds, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return api.DealCollateralBounds{}, err
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}
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return a.api.StateDealProviderCollateralBounds(ctx, size, verified, tsk)
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}
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func (a *GatewayAPI) StateGetActor(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*types.Actor, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return nil, err
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}
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return a.api.StateGetActor(ctx, actor, tsk)
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}
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func (a *GatewayAPI) StateGetReceipt(ctx context.Context, c cid.Cid, tsk types.TipSetKey) (*types.MessageReceipt, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return nil, err
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}
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return a.api.StateGetReceipt(ctx, c, tsk)
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}
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func (a *GatewayAPI) StateListMiners(ctx context.Context, tsk types.TipSetKey) ([]address.Address, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return nil, err
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}
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return a.api.StateListMiners(ctx, tsk)
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}
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func (a *GatewayAPI) StateLookupID(ctx context.Context, addr address.Address, tsk types.TipSetKey) (address.Address, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return address.Undef, err
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}
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return a.api.StateLookupID(ctx, addr, tsk)
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}
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func (a *GatewayAPI) StateMarketBalance(ctx context.Context, addr address.Address, tsk types.TipSetKey) (api.MarketBalance, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return api.MarketBalance{}, err
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}
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return a.api.StateMarketBalance(ctx, addr, tsk)
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}
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func (a *GatewayAPI) StateMarketStorageDeal(ctx context.Context, dealId abi.DealID, tsk types.TipSetKey) (*api.MarketDeal, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return nil, err
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}
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return a.api.StateMarketStorageDeal(ctx, dealId, tsk)
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}
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func (a *GatewayAPI) StateNetworkVersion(ctx context.Context, tsk types.TipSetKey) (network.Version, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return network.VersionMax, err
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}
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return a.api.StateNetworkVersion(ctx, tsk)
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}
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func (a *GatewayAPI) StateWaitMsg(ctx context.Context, msg cid.Cid, confidence uint64) (*api.MsgLookup, error) {
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return a.api.StateWaitMsgLimited(ctx, msg, confidence, a.stateWaitLookbackLimit)
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}
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func (a *GatewayAPI) StateReadState(ctx context.Context, actor address.Address, tsk types.TipSetKey) (*api.ActorState, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return nil, err
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}
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return a.api.StateReadState(ctx, actor, tsk)
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}
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func (a *GatewayAPI) StateMinerPower(ctx context.Context, m address.Address, tsk types.TipSetKey) (*api.MinerPower, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return nil, err
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}
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return a.api.StateMinerPower(ctx, m, tsk)
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}
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func (a *GatewayAPI) StateMinerFaults(ctx context.Context, m address.Address, tsk types.TipSetKey) (bitfield.BitField, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return bitfield.BitField{}, err
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}
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return a.api.StateMinerFaults(ctx, m, tsk)
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}
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func (a *GatewayAPI) StateMinerRecoveries(ctx context.Context, m address.Address, tsk types.TipSetKey) (bitfield.BitField, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return bitfield.BitField{}, err
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}
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return a.api.StateMinerRecoveries(ctx, m, tsk)
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}
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func (a *GatewayAPI) StateMinerInfo(ctx context.Context, m address.Address, tsk types.TipSetKey) (miner.MinerInfo, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return miner.MinerInfo{}, err
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}
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return a.api.StateMinerInfo(ctx, m, tsk)
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}
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func (a *GatewayAPI) StateMinerDeadlines(ctx context.Context, m address.Address, tsk types.TipSetKey) ([]api.Deadline, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return nil, err
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}
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return a.api.StateMinerDeadlines(ctx, m, tsk)
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}
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func (a *GatewayAPI) StateMinerAvailableBalance(ctx context.Context, m address.Address, tsk types.TipSetKey) (types.BigInt, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return types.BigInt{}, err
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}
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return a.api.StateMinerAvailableBalance(ctx, m, tsk)
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}
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func (a *GatewayAPI) StateMinerProvingDeadline(ctx context.Context, m address.Address, tsk types.TipSetKey) (*dline.Info, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return nil, err
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}
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return a.api.StateMinerProvingDeadline(ctx, m, tsk)
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}
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func (a *GatewayAPI) StateCirculatingSupply(ctx context.Context, tsk types.TipSetKey) (abi.TokenAmount, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return types.BigInt{}, err
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}
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return a.api.StateCirculatingSupply(ctx, tsk)
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}
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func (a *GatewayAPI) StateVMCirculatingSupplyInternal(ctx context.Context, tsk types.TipSetKey) (api.CirculatingSupply, error) {
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if err := a.checkTipsetKey(ctx, tsk); err != nil {
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return api.CirculatingSupply{}, err
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}
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return a.api.StateVMCirculatingSupplyInternal(ctx, tsk)
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}
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func (a *GatewayAPI) WalletVerify(ctx context.Context, k address.Address, msg []byte, sig *crypto.Signature) (bool, error) {
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return sigs.Verify(sig, k, msg) == nil, nil
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}
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var _ api.GatewayAPI = (*GatewayAPI)(nil)
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var _ full.ChainModuleAPI = (*GatewayAPI)(nil)
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var _ full.GasModuleAPI = (*GatewayAPI)(nil)
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var _ full.MpoolModuleAPI = (*GatewayAPI)(nil)
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var _ full.StateModuleAPI = (*GatewayAPI)(nil)
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