Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

helpers

package

Go to main page

Versions in this module

v0

v0.0.6

Sep 1, 2026

v0.0.5

Aug 25, 2026

v0.0.4

Aug 21, 2026

v0.0.3

Aug 7, 2026

Changes in this version

+ const StellarQuickstartImage

v0.0.2

Jun 5, 2026

Changes in this version

+ const Anvil0SKHex

+ const DefaultMCMSTimelockMinDelaySec

+ const STELLAR_LOCALNET_PASSPHRASE

+ func ChainNetworkIDFromHex(chainIDHex string) ([32]byte, error)

+ func CleanupMCMSTestPool(t *testing.T, ctx context.Context, env *E2ETestEnv, gov *MCMSGovernanceStack, ...)

+ func ContractIDToBytes32(contractID string) ([32]byte, error)

+ func CurseChain(t *testing.T, env *cldfdeployment.Environment, ...)

+ func EncodeTimelockInvokePayload(functionName string, argScVals []xdr.ScVal) ([]byte, error)

+ func EthSignedMessageHash32(digest [32]byte) [32]byte

+ func FindProjectRoot(t *testing.T) string

+ func FindProjectRootErr() (string, error)

+ func FundViaFriendbot(friendbotURL, address string) error

+ func GenerateMockContractID(t *testing.T, deployerAddress, contractName string) string

+ func HashRootMetadata(m mcmsbindings.StellarRootMetadata) ([32]byte, error)

+ func HashSetRootInner(root [32]byte, validUntil uint32) [32]byte

+ func HashStellarOp(op mcmsbindings.StellarOp) ([32]byte, error)

+ func KeypairFromPrivateKeyHex(t *testing.T, privateKeyHex string) *keypair.Full

+ func MCMSTimelockScheduleAndExecute(t *testing.T, ctx context.Context, env *E2ETestEnv, gov *MCMSGovernanceStack, ...)

+ func MCMSTimelockScheduleAndExecuteErr(ctx context.Context, env *E2ETestEnv, gov *MCMSGovernanceStack, ...) error

+ func MCMSValidUntilSeconds(ctx context.Context, rpc *rpcclient.Client) (uint32, error)

+ func MerkleProofTwoLeaves(leaves [2][32]byte, leafIndex int) [][32]byte

+ func MerkleRootTwoLeaves(l0, l1 [32]byte) [32]byte

+ func PaddedEthAddress(pub *ecdsa.PublicKey) [32]byte

+ func ResolveEVMTestToken(ds datastore.DataStore, evmChainSelector uint64) (protocol.UnknownAddress, error)

+ func SetupTestEnv(ctx context.Context, t *testing.T) (string, *keypair.Full, *stellardeployment.Deployer, *rpcclient.Client, string)

+ func SignaturesForSetRoot(pk *ecdsa.PrivateKey, root [32]byte, validUntil uint32) (mcmsbindings.SignatureVec, error)

+ func SorobanExecuteBatch(caller string, calls timelockbindings.Calls, predecessor, salt [32]byte) ([]byte, error)

+ func SorobanScheduleBatch(caller string, calls timelockbindings.Calls, predecessor, salt [32]byte, ...) ([]byte, error)

+ func UncurseChain(t *testing.T, env *cldfdeployment.Environment, ...)

+ func WaitForFriendbot(ctx context.Context, friendbotBaseURL string, timeout time.Duration) error

+ func WaitTimelockOperationReady(ctx context.Context, t *testing.T, tlClient *timelockbindings.TimelockClient, ...)

+ type E2ETestEnv struct

+ AggregatorClients map[string]*ccv.AggregatorClient

+ CLDFEnv *cldfdeployment.Environment

+ Chains map[uint64]cciptestinterfaces.CCIP17

+ DataStore datastore.DataStore

+ Deployer *stellardeployment.Deployer

+ DeployerKP *keypair.Full

+ DestChain cciptestinterfaces.CCIP17

+ DestChainDetails *chain_selectors.ChainDetails

+ FriendbotURL string

+ IndexerMonitor *ccv.IndexerMonitor

+ NetworkPassphrase string

+ RPCClient *rpcclient.Client

+ SourceChain cciptestinterfaces.CCIP17

+ SourceChainDetails *chain_selectors.ChainDetails

+ StellarRoot string

+ func NewE2ETestEnv(t *testing.T, ctx context.Context, l *zerolog.Logger, configOutputPath string, ...) *E2ETestEnv

+ type MCMSGovernanceStack struct

+ ChainNetID [32]byte

+ MCMSClient *mcmsbindings.McmsClient

+ MCMSID string

+ MCMSRaw [32]byte

+ MinDelaySec uint64

+ SignerPK *ecdsa.PrivateKey

+ TimelockClient *timelockbindings.TimelockClient

+ TimelockID string

+ TimelockRaw [32]byte

+ func DeployMCMSAndTimelock(t *testing.T, ctx context.Context, env *E2ETestEnv, chainSelector uint64, ...) *MCMSGovernanceStack

+ type SharedTestEnv struct

+ Deployer *stellardeployment.Deployer

+ DeployerKP *keypair.Full

+ FriendbotURL string

+ NetworkPassphrase string

+ Output *blockchain.Output

+ ProjectRoot string

+ RPCClient *rpcclient.Client

+ func SetupTestEnvShared(ctx context.Context, containerName string) (*SharedTestEnv, error)

v0.0.1

Apr 29, 2026