lotus/itests/kit/node_full.go

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2021-06-18 18:45:29 +00:00
package kit
import (
"context"
"testing"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/api/v1api"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/wallet"
"github.com/multiformats/go-multiaddr"
"github.com/stretchr/testify/require"
)
// TestFullNode represents a full node enrolled in an Ensemble.
type TestFullNode struct {
v1api.FullNode
t *testing.T
// ListenAddr is the address on which an API server is listening, if an
// API server is created for this Node.
ListenAddr multiaddr.Multiaddr
DefaultKey *wallet.Key
options nodeOpts
}
// CreateImportFile creates a random file with the specified seed and size, and
// imports it into the full node.
func (f *TestFullNode) CreateImportFile(ctx context.Context, rseed int, size int) (res *api.ImportRes, path string) {
path = CreateRandomFile(f.t, rseed, size)
res, err := f.ClientImport(ctx, api.FileRef{Path: path})
require.NoError(f.t, err)
return res, path
}
// WaitTillChain waits until a specified chain condition is met. It returns
// the first tipset where the condition is met.
func (f *TestFullNode) WaitTillChain(ctx context.Context, pred ChainPredicate) *types.TipSet {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
heads, err := f.ChainNotify(ctx)
require.NoError(f.t, err)
for chg := range heads {
for _, c := range chg {
if c.Type != "apply" {
continue
}
if ts := c.Val; pred(ts) {
return ts
}
}
}
require.Fail(f.t, "chain condition not met")
return nil
}
// ChainPredicate encapsulates a chain condition.
type ChainPredicate func(set *types.TipSet) bool
// HeightAtLeast returns a ChainPredicate that is satisfied when the chain
// height is equal or higher to the target.
func HeightAtLeast(target abi.ChainEpoch) ChainPredicate {
return func(ts *types.TipSet) bool {
return ts.Height() >= target
}
}
// BlockMinedBy returns a ChainPredicate that is satisfied when we observe the
// first block mined by the specified miner.
func BlockMinedBy(miner address.Address) ChainPredicate {
return func(ts *types.TipSet) bool {
for _, b := range ts.Blocks() {
if b.Miner == miner {
return true
}
}
return false
}
}