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config.go
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package config
import (
"bytes"
"encoding/json"
"fmt"
"io"
"math"
"os"
"reflect"
"runtime"
"strconv"
"strings"
"time"
"github.com/go-playground/validator/v10"
"github.com/mitchellh/mapstructure"
"github.com/spf13/viper"
"golang.org/x/xerrors"
"github.com/coinbase/chainstorage/config"
"github.com/coinbase/chainstorage/internal/utils/utils"
"github.com/coinbase/chainstorage/protos/coinbase/c3/common"
api "github.com/coinbase/chainstorage/protos/coinbase/chainstorage"
)
type (
Config struct {
ConfigName string `mapstructure:"config_name" validate:"required"`
StorageType StorageType `mapstructure:"storage_type"`
Chain ChainConfig `mapstructure:"chain"`
AWS AwsConfig `mapstructure:"aws"`
GCP *GcpConfig `mapstructure:"gcp"`
Cadence CadenceConfig `mapstructure:"cadence"`
Workflows WorkflowsConfig `mapstructure:"workflows"`
Api ApiConfig `mapstructure:"api"`
SDK SDKConfig `mapstructure:"sdk"`
Server ServerConfig `mapstructure:"server"`
Cron CronConfig `mapstructure:"cron"`
SLA SLAConfig `mapstructure:"sla"`
FunctionalTest FunctionalTestConfig `mapstructure:"functional_test"`
StatsD *StatsDConfig `mapstructure:"statsd"`
namespace string
env Env
}
StorageType struct {
BlobStorageType BlobStorageType `mapstructure:"blob"`
MetaStorageType MetaStorageType `mapstructure:"meta"`
DLQType DLQType `mapstructure:"dlq"`
}
BlobStorageType int32
MetaStorageType int32
DLQType int32
ChainConfig struct {
Blockchain common.Blockchain `mapstructure:"blockchain" validate:"required"`
Network common.Network `mapstructure:"network" validate:"required"`
Sidechain api.SideChain `mapstructure:"sidechain"`
BlockTag BlockTagConfig `mapstructure:"block_tag"`
EventTag EventTagConfig `mapstructure:"event_tag"`
Client ClientConfig `mapstructure:"client"`
Feature FeatureConfig `mapstructure:"feature"`
BlockStartHeight uint64 `mapstructure:"block_start_height"`
// IrreversibleDistance is the maximum distance between the current block height and the last irreversible block height, also
// known as the max reorg distance, finalization depth. This does not have a default value and must be set by the onboarding user.
IrreversibleDistance uint64 `mapstructure:"irreversible_distance" validate:"required"`
Rosetta RosettaConfig `mapstructure:"rosetta"`
BlockTime time.Duration `mapstructure:"block_time" validate:"required"`
}
ClientConfig struct {
Master JSONRPCConfig `mapstructure:"master"`
Slave JSONRPCConfig `mapstructure:"slave"`
Validator JSONRPCConfig `mapstructure:"validator"`
Consensus JSONRPCConfig `mapstructure:"consensus"`
Retry ClientRetryConfig `mapstructure:"retry"`
HttpTimeout time.Duration `mapstructure:"http_timeout"`
}
JSONRPCConfig struct {
EndpointGroup EndpointGroup `mapstructure:"endpoint_group"`
}
ClientRetryConfig struct {
MaxAttempts int `mapstructure:"max_attempts"`
}
FeatureConfig struct {
RosettaParser bool `mapstructure:"rosetta_parser"`
DefaultStableEvent bool `mapstructure:"default_stable_event"`
TransactionIndexing bool `mapstructure:"transaction_indexing"`
BlockValidationEnabled bool `mapstructure:"block_validation_enabled"`
BlockValidationMuted bool `mapstructure:"block_validation_muted"`
VerifiedAccountStateEnabled bool `mapstructure:"verified_account_state_enabled"`
}
BlockTagConfig struct {
Stable uint32 `mapstructure:"stable"`
Latest uint32 `mapstructure:"latest"`
}
EventTagConfig struct {
Stable uint32 `mapstructure:"stable"`
Latest uint32 `mapstructure:"latest"`
}
AccountConfig struct {
User string `json:"user"`
Password string `json:"password"`
Role string `json:"role"`
}
AwsConfig struct {
Region string `mapstructure:"region" validate:"required"`
Bucket string `mapstructure:"bucket" validate:"required"`
DynamoDB DynamoDBConfig `mapstructure:"dynamodb" validate:"required"`
IsLocalStack bool `mapstructure:"local_stack"`
IsResetLocal bool `mapstructure:"reset_local"`
PresignedUrlExpiration time.Duration `mapstructure:"presigned_url_expiration" validate:"required"`
DLQ SQSConfig `mapstructure:"dlq"`
Storage StorageConfig `mapstructure:"storage"`
AWSAccount AWSAccount `mapstructure:"aws_account" validate:"required"`
}
GcpConfig struct {
Project string `mapstructure:"project" validate:"required"`
Bucket string `mapstructure:"bucket"`
PresignedUrlExpiration time.Duration `mapstructure:"presigned_url_expiration" validate:"required"`
}
DynamoDBConfig struct {
BlockTable string `mapstructure:"block_table" validate:"required"`
EventTable string `mapstructure:"event_table"`
EventTableHeightIndex string `mapstructure:"event_table_height_index"`
VersionedEventTable string `mapstructure:"versioned_event_table" validate:"required"`
VersionedEventTableBlockIndex string `mapstructure:"versioned_event_table_block_index" validate:"required"`
TransactionTable string `mapstructure:"transaction_table"`
Arn string `mapstructure:"arn"`
}
SQSConfig struct {
Name string `mapstructure:"name" validate:"required"`
VisibilityTimeoutSecs int64 `mapstructure:"visibility_timeout_secs"`
DelaySecs int64 `mapstructure:"delay_secs"`
OwnerAccountId string `mapstructure:"owner_account_id"`
}
CadenceConfig struct {
Address string `mapstructure:"address" validate:"required"`
Domain string `mapstructure:"domain" validate:"required"`
RetentionPeriod int32 `mapstructure:"retention_period" validate:"required"`
TLSConfig CadenceTLSConfig `mapstructure:"tls" validate:"required"`
}
CadenceTLSConfig struct {
Enabled bool `mapstructure:"enabled"`
ValidateHostname bool `mapstructure:"validate_hostname"`
CertificateAuthority string `mapstructure:"certificate_authority"`
ClientCertificate string `mapstructure:"client_certificate"`
ClientPrivateKey string `mapstructure:"client_private_key"`
}
WorkflowsConfig struct {
Workers []WorkerConfig `mapstructure:"workers"`
Backfiller BackfillerWorkflowConfig `mapstructure:"backfiller"`
Poller PollerWorkflowConfig `mapstructure:"poller"`
Benchmarker BenchmarkerWorkflowConfig `mapstructure:"benchmarker"`
Monitor MonitorWorkflowConfig `mapstructure:"monitor"`
Streamer StreamerWorkflowConfig `mapstructure:"streamer"`
CrossValidator CrossValidatorWorkflowConfig `mapstructure:"cross_validator"`
EventBackfiller EventBackfillerWorkflowConfig `mapstructure:"event_backfiller"`
}
WorkerConfig struct {
TaskList string `mapstructure:"task_list"`
}
WorkflowConfig struct {
WorkflowIdentity string `mapstructure:"workflow_identity" validate:"required"`
Enabled bool `mapstructure:"enabled"`
TaskList string `mapstructure:"task_list" validate:"required"`
WorkflowDecisionTimeout time.Duration `mapstructure:"workflow_decision_timeout" validate:"required"`
WorkflowExecutionTimeout time.Duration `mapstructure:"workflow_execution_timeout" validate:"required"`
ActivityScheduleToStartTimeout time.Duration `mapstructure:"activity_schedule_to_start_timeout" validate:"required"`
ActivityStartToCloseTimeout time.Duration `mapstructure:"activity_start_to_close_timeout" validate:"required"`
ActivityHeartbeatTimeout time.Duration `mapstructure:"activity_heartbeat_timeout"`
ActivityRetryMaximumAttempts int32 `mapstructure:"activity_retry_maximum_attempts" validate:"required"`
BlockTag BlockTagConfig `mapstructure:"block_tag"`
EventTag EventTagConfig `mapstructure:"event_tag"`
Storage StorageConfig `mapstructure:"storage"`
IrreversibleDistance uint64 `mapstructure:"irreversible_distance" validate:"required"`
FailoverEnabled bool `mapstructure:"failover_enabled"`
ConsensusFailoverEnabled bool `mapstructure:"consensus_failover_enabled"`
SLA SLAConfig `mapstructure:"sla"`
}
BackfillerWorkflowConfig struct {
WorkflowConfig `mapstructure:",squash"`
BatchSize uint64 `mapstructure:"batch_size" validate:"required"`
MiniBatchSize uint64 `mapstructure:"mini_batch_size" validate:"required"`
CheckpointSize uint64 `mapstructure:"checkpoint_size" validate:"required,gtfield=BatchSize"`
MaxReprocessedPerBatch uint64 `mapstructure:"max_reprocessed_per_batch"`
NumConcurrentExtractors int `mapstructure:"num_concurrent_extractors" validate:"required"`
}
EventBackfillerWorkflowConfig struct {
WorkflowConfig `mapstructure:",squash"`
BatchSize uint64 `mapstructure:"batch_size" validate:"required"`
CheckpointSize uint64 `mapstructure:"checkpoint_size" validate:"required,gtfield=BatchSize"`
}
PollerWorkflowConfig struct {
WorkflowConfig `mapstructure:",squash"`
MaxBlocksToSyncPerCycle uint64 `mapstructure:"max_blocks_to_sync_per_cycle" validate:"required"`
CheckpointSize uint64 `mapstructure:"checkpoint_size" validate:"required"`
BackoffInterval time.Duration `mapstructure:"backoff_interval"`
Parallelism int `mapstructure:"parallelism" validate:"required"`
SessionCreationTimeout time.Duration `mapstructure:"session_creation_timeout" validate:"required"`
SessionEnabled bool `mapstructure:"session_enabled"`
FastSync bool `mapstructure:"fast_sync"`
NumBlocksToSkip uint64 `mapstructure:"num_blocks_to_skip"`
TransactionsWriteParallelism int `mapstructure:"transactions_write_parallelism"`
ConsensusValidation bool `mapstructure:"consensus_validation"`
ConsensusValidationMuted bool `mapstructure:"consensus_validation_muted"`
LivenessCheckEnabled bool `mapstructure:"liveness_check_enabled"`
// LivenessCheckViolationLimit is threshold for liveness check violations before poller failover is triggered.
// time to trigger failover = LivenessCheckInterval * LivenessCheckViolationLimit
LivenessCheckViolationLimit uint64 `mapstructure:"liveness_check_violation_limit"`
// LivenessCheckInterval is the interval between liveness checks.
LivenessCheckInterval time.Duration `mapstructure:"liveness_check_interval"`
}
BenchmarkerWorkflowConfig struct {
WorkflowConfig `mapstructure:",squash"`
ChildWorkflowExecutionStartToCloseTimeout time.Duration `mapstructure:"child_workflow_execution_start_to_close_timeout" validate:"required"`
}
MonitorWorkflowConfig struct {
WorkflowConfig `mapstructure:",squash"`
BatchSize uint64 `mapstructure:"batch_size" validate:"required"`
CheckpointSize uint64 `mapstructure:"checkpoint_size" validate:"required"`
BackoffInterval time.Duration `mapstructure:"backoff_interval"`
Parallelism int `mapstructure:"parallelism" validate:"required,gt=0"`
BlockGapLimit uint64 `mapstructure:"block_gap_limit" validate:"required"`
EventGapLimit int64 `mapstructure:"event_gap_limit" validate:"required"`
}
CrossValidatorWorkflowConfig struct {
WorkflowConfig `mapstructure:",squash"`
BatchSize uint64 `mapstructure:"batch_size" validate:"required"`
CheckpointSize uint64 `mapstructure:"checkpoint_size" validate:"required"`
BackoffInterval time.Duration `mapstructure:"backoff_interval"`
Parallelism int `mapstructure:"parallelism" validate:"required,gt=0"`
ValidationStartHeight uint64 `mapstructure:"validation_start_height"`
ValidationPercentage int `mapstructure:"validation_percentage" validate:"min=0,max=100"`
}
StreamerWorkflowConfig struct {
WorkflowConfig `mapstructure:",squash"`
BatchSize uint64 `mapstructure:"batch_size" validate:"required"`
CheckpointSize uint64 `mapstructure:"checkpoint_size" validate:"required"`
BackoffInterval time.Duration `mapstructure:"backoff_interval"`
}
RosettaConfig struct {
Blockchain string `mapstructure:"blockchain"`
Network string `mapstructure:"network" validate:"required_with=Blockchain"`
BlockNotFoundErrorCodes []int32 `mapstructure:"block_not_found_error_codes"`
EnableRawBlockApi bool `mapstructure:"enable_raw_block_api"`
FromRosetta bool `mapstructure:"from_rosetta"`
}
EndpointGroup struct {
Endpoints []Endpoint `json:"endpoints"`
EndpointsFailover []Endpoint `json:"endpoints_failover"`
UseFailover bool `json:"use_failover"`
EndpointConfig EndpointConfig `json:"endpoint_config"`
EndpointConfigFailover EndpointConfig `json:"endpoint_config_failover"`
}
// endpointGroup must be in sync with EndpointGroup
endpointGroup struct {
Endpoints []Endpoint `json:"endpoints"`
EndpointsFailover []Endpoint `json:"endpoints_failover"`
UseFailover bool `json:"use_failover"`
EndpointConfig EndpointConfig `json:"endpoint_config"`
EndpointConfigFailover EndpointConfig `json:"endpoint_config_failover"`
}
Endpoint struct {
Name string `json:"name"`
ProviderID string `json:"provider_id"`
Url string `json:"url"`
User string `json:"user"`
Password string `json:"password"`
Weight uint8 `json:"weight"`
ExtraUrls map[string]string `json:"extra_urls"`
RPS int `json:"rps"`
}
EndpointConfig struct {
StickySession StickySessionConfig `json:"sticky_session"`
Headers map[string]string `json:"headers"`
}
StickySessionConfig struct {
// The CookieHash method consistently maps a cookie value to a specific node.
CookieHash string `json:"cookie_hash"`
// The CookiePassive method persists the cookie value provided by the server.
CookiePassive bool `json:"cookie_passive"`
// The HeaderHash method consistently maps a header value to a specific node.
HeaderHash string `json:"header_hash"`
}
ApiConfig struct {
MaxNumBlocks uint64 `mapstructure:"max_num_blocks" validate:"required"`
MaxNumBlockFiles uint64 `mapstructure:"max_num_block_files" validate:"required"`
NumWorkers uint64 `mapstructure:"num_workers" validate:"required"`
StreamingInterval time.Duration `mapstructure:"streaming_interval" validate:"required"`
StreamingBatchSize uint64 `mapstructure:"streaming_batch_size" validate:"required"`
StreamingMaxNoEventTime time.Duration `mapstructure:"streaming_max_no_event_time" validate:"required"`
Auth AuthConfig `mapstructure:"auth"`
RateLimit RateLimitConfig `mapstructure:"rate_limit"`
}
SDKConfig struct {
ChainstorageAddress string `mapstructure:"chainstorage_address" validate:"required"`
NumWorkers uint64 `mapstructure:"num_workers" validate:"required"`
Restful bool `mapstructure:"restful"`
AuthHeader string `mapstructure:"auth_header"`
AuthToken string `mapstructure:"auth_token"`
}
ServerConfig struct {
BindAddress string `mapstructure:"bind_address" validate:"required"`
}
CronConfig struct {
BlockRangeSize uint64 `mapstructure:"block_range_size" validate:"required"`
DisableDLQProcessor bool `mapstructure:"disable_dlq_processor"`
DisablePollingCanary bool `mapstructure:"disable_polling_canary"`
DisableStreamingCanary bool `mapstructure:"disable_streaming_canary"`
DisableNodeCanary bool `mapstructure:"disable_node_canary"`
DisableWorkflowStatus bool `mapstructure:"disable_workflow_status"`
}
StorageConfig struct {
DataCompression api.Compression `mapstructure:"data_compression"`
}
SLAConfig struct {
Tier int `mapstructure:"tier" validate:"required"` // 1 for high urgency; 2 for low urgency; 3 for work in progress.
BlockHeightDelta uint64 `mapstructure:"block_height_delta" validate:"required"`
BlockTimeDelta time.Duration `mapstructure:"block_time_delta" validate:"required"`
TimeSinceLastBlock time.Duration `mapstructure:"time_since_last_block" validate:"required"`
EventHeightDelta uint64 `mapstructure:"event_height_delta" validate:"required"`
EventTimeDelta time.Duration `mapstructure:"event_time_delta" validate:"required"`
TimeSinceLastEvent time.Duration `mapstructure:"time_since_last_event" validate:"required"`
OutOfSyncNodeDistance uint64 `mapstructure:"out_of_sync_node_distance" validate:"required"`
OutOfSyncValidatorNodeDistance uint64 `mapstructure:"out_of_sync_validator_node_distance"` // If not set, use OutOfSyncNodeDistance.
ExpectedWorkflows []string `mapstructure:"expected_workflows"`
}
FunctionalTestConfig struct {
SkipFunctionalTest []FunctionalTest `json:"skip_functional_test"`
}
FunctionalTest struct {
ConfigName string `json:"config_name"`
}
AuthConfig struct {
Clients []AuthClient `json:"clients"`
DefaultRPS int `json:"default_rps"`
}
// authConfig must be in sync with AuthConfig.
authConfig struct {
Clients []AuthClient `json:"clients"`
DefaultRPS int `json:"default_rps"`
}
AuthClient struct {
ClientID string `json:"client_id"`
Token string `json:"token"`
RPS int `json:"rps"`
}
RateLimitConfig struct {
GlobalRPS int `mapstructure:"global_rps"`
PerClientRPS int `mapstructure:"per_client_rps"`
}
StatsDConfig struct {
Address string `mapstructure:"address" validate:"required"`
Prefix string `mapstructure:"prefix"`
}
ConfigOption func(options *configOptions)
Env string
AWSAccount string
BaseWorkflowConfig interface {
Base() *WorkflowConfig
}
configOptions struct {
Namespace string `validate:"required"`
Blockchain common.Blockchain `validate:"required"`
Network common.Network `validate:"required"`
Env Env `validate:"required,oneof=production development local"`
Sidechain api.SideChain
}
// derivedConfig defines a callback where a config struct can override its fields based on the global config.
// For example, WorkflowConfig implements this interface to copy the global tag into its own struct.
derivedConfig interface {
DeriveConfig(cfg *Config)
}
)
var (
_ derivedConfig = (*WorkflowConfig)(nil)
_ derivedConfig = (*AwsConfig)(nil)
_ derivedConfig = (*CadenceConfig)(nil)
_ derivedConfig = (*SDKConfig)(nil)
AWSAccountEnvMap = map[AWSAccount]Env{
"": EnvLocal,
AWSAccountDevelopment: EnvDevelopment,
AWSAccountProduction: EnvProduction,
}
AWSAccountShortMap = map[AWSAccount]string{
AWSAccountDevelopment: "dev",
AWSAccountProduction: "prod",
}
BlobStorageType_value = map[string]int32{
"UNSPECIFIED": 0,
"S3": 1,
"GCS": 2,
}
MetaStorageType_value = map[string]int32{
"UNSPECIFIED": 0,
"DYNAMODB": 1,
"FIRESTORE": 2,
}
DLQType_value = map[string]int32{
"UNSPECIFIED": 0,
"SQS": 1,
"FIRESTORE": 2,
}
)
const (
EnvVarNamespace = "CHAINSTORAGE_NAMESPACE"
EnvVarConfigName = "CHAINSTORAGE_CONFIG"
EnvVarEnvironment = "CHAINSTORAGE_ENVIRONMENT"
EnvVarConfigRoot = "CHAINSTORAGE_CONFIG_ROOT"
EnvVarConfigPath = "CHAINSTORAGE_CONFIG_PATH"
EnvVarTestType = "TEST_TYPE"
EnvVarCI = "CI"
CurrentFileName = "/internal/config/config.go"
DefaultNamespace = "chainstorage"
DefaultConfigName = "ethereum-mainnet"
EnvBase Env = "base"
EnvLocal Env = "local"
EnvDevelopment Env = "development"
EnvProduction Env = "production"
envSecrets Env = "secrets" // secrets.yml is merged into the env-specific config
BlobStorageType_UNSPECIFIED BlobStorageType = 0
BlobStorageType_S3 BlobStorageType = 1
BlobStorageType_GCS BlobStorageType = 2
MetaStorageType_UNSPECIFIED MetaStorageType = 0
MetaStorageType_DYNAMODB MetaStorageType = 1
MetaStorageType_FIRESTORE MetaStorageType = 2
DLQType_UNSPECIFIED DLQType = 0
DLQType_SQS DLQType = 1
DLQType_FIRESTORE DLQType = 2
AWSAccountDevelopment AWSAccount = "development"
AWSAccountProduction AWSAccount = "production"
placeholderPassword = "<placeholder>"
tagBlockchain = "blockchain"
tagNetwork = "network"
tagTier = "tier"
s3BucketFormat = "example-chainstorage-%v-%v"
cadenceAddressLocal = "localhost:7233"
chainstorageAddressLocal = "http://localhost:9090"
tagSidechain = "sidechain"
)
func New(opts ...ConfigOption) (*Config, error) {
validate := validator.New()
// Get configname, such as "ethereum-mainnet"
configName := getConfigName()
// Get "blockchain", "network" "env"
configOpts, err := getConfigOptions(configName, opts...)
if err != nil {
return nil, xerrors.Errorf("failed to get config options %w", err)
}
if err := validate.Struct(configOpts); err != nil {
return nil, xerrors.Errorf("failed to validate config options: %w", err)
}
// Get data in base.yml for the target blockchain-network-env
configReader, err := getConfigData(configOpts.Namespace, EnvBase, configOpts.Blockchain, configOpts.Network, configOpts.Sidechain)
if err != nil {
return nil, xerrors.Errorf("failed to locate config file: %w", err)
}
cfg := Config{
namespace: configOpts.Namespace,
env: configOpts.Env,
}
v := viper.New()
// First, read the data in base.yml
v.SetConfigName(string(EnvBase))
v.SetConfigType("yaml")
v.AutomaticEnv()
v.AllowEmptyEnv(true)
// All env set by codeflow has the prefix of CHAINSTORAGE
v.SetEnvPrefix("CHAINSTORAGE")
v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
// Set default values.
// Note that the default values may be overridden by environment variable or config file.
if cfg.Env() == EnvLocal {
v.SetDefault("aws.local_stack", true)
}
if cfg.IsTest() {
v.SetDefault("aws.local_stack", true)
v.SetDefault("aws.reset_local", true)
}
// Read the data in base.yml
if err := v.ReadConfig(configReader); err != nil {
return nil, xerrors.Errorf("failed to read config: %w", err)
}
// Merge in the env-specific config, such as development.yml
if err := mergeInConfig(v, configOpts, configOpts.Env); err != nil {
return nil, xerrors.Errorf("failed to merge in %v config: %w", configOpts.Env, err)
}
// Merge in .secrets.yml. Note that this is a no-op for development and production env.
if err := mergeInConfig(v, configOpts, envSecrets); err != nil {
return nil, xerrors.Errorf("failed to merge in %v config: %w", envSecrets, err)
}
if err := v.Unmarshal(&cfg, viper.DecodeHook(mapstructure.ComposeDecodeHookFunc(
mapstructure.TextUnmarshallerHookFunc(),
mapstructure.StringToTimeDurationHookFunc(),
mapstructure.StringToSliceHookFunc(","),
stringToBlobStorageTypeHookFunc(),
stringToMetaStorageTypeHookFunc(),
stringToDLQTypeHookFunc(),
stringToBlockchainHookFunc(),
stringToNetworkHookFunc(),
stringToCompressionHookFunc(),
stringToSidechainHookFunc(),
))); err != nil {
return nil, xerrors.Errorf("failed to unmarshal config: %w", err)
}
cfg.setDerivedConfigs(reflect.ValueOf(&cfg))
if err := validate.Struct(&cfg); err != nil {
return nil, xerrors.Errorf("failed to validate config: %w", err)
}
if cfg.Chain.Blockchain != common.Blockchain_BLOCKCHAIN_ETHEREUM || cfg.Chain.Network != common.Network_NETWORK_ETHEREUM_MAINNET {
// Zero-value blockTag is reserved as an alias of the stable blockTag.
// Other than ethereum/mainnet (whose tags actually started from zero), do not allow zero-value blockTag.
if cfg.Chain.BlockTag.Stable == 0 {
return nil, xerrors.New("stable block tag cannot be zero")
}
if cfg.Chain.BlockTag.Latest == 0 {
return nil, xerrors.New("latest block tag cannot be zero")
}
}
return &cfg, nil
}
func GetEnv() Env {
awsAccount := AWSAccount(os.Getenv(EnvVarEnvironment))
env, ok := AWSAccountEnvMap[awsAccount]
if !ok {
return EnvLocal
}
return env
}
func getConfigName() string {
configName, ok := os.LookupEnv(EnvVarConfigName)
if !ok {
configName = DefaultConfigName
}
return configName
}
func GetConfigRoot() string {
return os.Getenv(EnvVarConfigRoot)
}
func GetConfigPath() string {
return os.Getenv(EnvVarConfigPath)
}
func mergeInConfig(v *viper.Viper, configOpts *configOptions, env Env) error {
// Merge in the env-specific config if available.
if configReader, err := getConfigData(configOpts.Namespace, env, configOpts.Blockchain, configOpts.Network, configOpts.Sidechain); err == nil {
v.SetConfigName(string(env))
if err := v.MergeConfig(configReader); err != nil {
return xerrors.Errorf("failed to merge config %v: %w", env, err)
}
}
return nil
}
func (c *Config) Namespace() string {
return c.namespace
}
func (c *Config) Env() Env {
return c.env
}
func (c *Config) Blockchain() common.Blockchain {
return c.Chain.Blockchain
}
func (c *Config) Network() common.Network {
return c.Chain.Network
}
func (c *Config) Sidechain() api.SideChain {
return c.Chain.Sidechain
}
func (c *Config) Tier() int {
return c.SLA.Tier
}
func (c *Config) GetCommonTags() map[string]string {
return map[string]string{
tagBlockchain: c.Blockchain().GetName(),
tagNetwork: c.Network().GetName(),
tagTier: strconv.Itoa(c.Tier()),
tagSidechain: c.Sidechain().GetName(),
}
}
func (c *Config) AwsEnv() string {
shortEnv := "dev"
if val, exists := AWSAccountShortMap[c.AWS.AWSAccount]; exists {
shortEnv = val
}
return shortEnv
}
func (c *Config) normalizeResourceName(name string) string {
return strings.ReplaceAll(name, "_", "-")
}
func (c *Config) IsTest() bool {
return os.Getenv(EnvVarTestType) != ""
}
func (c *Config) IsIntegrationTest() bool {
return os.Getenv(EnvVarTestType) == "integration"
}
func (c *Config) IsFunctionalTest() bool {
return os.Getenv(EnvVarTestType) == "functional"
}
func (c *Config) IsCI() bool {
return os.Getenv(EnvVarCI) != ""
}
func (c *Config) GetEffectiveBlockTag(tag uint32) uint32 {
return c.Chain.BlockTag.GetEffectiveBlockTag(tag)
}
func (c *Config) GetStableBlockTag() uint32 {
return c.Chain.BlockTag.Stable
}
func (c *Config) GetLatestBlockTag() uint32 {
return c.Chain.BlockTag.Latest
}
func (c *Config) IsRosetta() bool {
return c.Chain.Rosetta.Blockchain != "" && c.Chain.Rosetta.Network != ""
}
// setDerivedConfigs recursively calls DeriveConfig on all the derivedConfig.
func (c *Config) setDerivedConfigs(v reflect.Value) {
if v.CanInterface() {
if oc, ok := v.Interface().(derivedConfig); ok {
oc.DeriveConfig(c)
return
}
}
elem := v.Elem()
for i := 0; i < elem.NumField(); i++ {
field := elem.Field(i)
if field.Kind() == reflect.Struct {
c.setDerivedConfigs(field.Addr())
}
}
}
func (c *Config) GetLatestEventTag() uint32 {
return c.Chain.EventTag.Latest
}
func (c *Config) GetStableEventTag() uint32 {
return c.Chain.EventTag.Stable
}
func (c *Config) GetEffectiveEventTag(eventTag uint32) uint32 {
return c.Chain.EventTag.GetEffectiveEventTag(eventTag)
}
func (c *Config) GetChainMetadataHelper(req *api.GetChainMetadataRequest) (*api.GetChainMetadataResponse, error) {
return &api.GetChainMetadataResponse{
LatestBlockTag: c.GetLatestBlockTag(),
StableBlockTag: c.GetStableBlockTag(),
LatestEventTag: c.GetLatestEventTag(),
StableEventTag: c.GetStableEventTag(),
BlockStartHeight: c.Chain.BlockStartHeight,
IrreversibleDistance: c.Chain.IrreversibleDistance,
BlockTime: c.Chain.BlockTime.String(),
}, nil
}
func WithNamespace(namespace string) ConfigOption {
return func(opts *configOptions) {
opts.Namespace = namespace
}
}
func WithBlockchain(blockchain common.Blockchain) ConfigOption {
return func(opts *configOptions) {
opts.Blockchain = blockchain
}
}
func WithNetwork(network common.Network) ConfigOption {
return func(opts *configOptions) {
opts.Network = network
}
}
func WithSidechain(sidechain api.SideChain) ConfigOption {
return func(opts *configOptions) {
opts.Sidechain = sidechain
}
}
func WithEnvironment(env Env) ConfigOption {
return func(opts *configOptions) {
opts.Env = env
}
}
func getConfigOptions(configName string, opts ...ConfigOption) (*configOptions, error) {
configOpts := &configOptions{}
for _, opt := range opts {
opt(configOpts)
}
if configOpts.Namespace == "" {
namespace := os.Getenv(EnvVarNamespace)
if namespace == "" {
namespace = DefaultNamespace
}
configOpts.Namespace = namespace
}
if configOpts.Env == "" {
configOpts.Env = GetEnv()
}
if configOpts.Blockchain == common.Blockchain_BLOCKCHAIN_UNKNOWN && configOpts.Network == common.Network_NETWORK_UNKNOWN {
blockchain, network, sidechain, err := ParseConfigName(configName)
if err != nil {
return nil, xerrors.Errorf("failed to parse config name: %w", err)
}
configOpts.Blockchain = blockchain
configOpts.Network = network
configOpts.Sidechain = sidechain
}
return configOpts, nil
}
func ParseConfigName(configName string) (common.Blockchain, common.Network, api.SideChain, error) {
// Normalize the config name by replacing "-" with "_".
configName = strings.ReplaceAll(configName, "-", "_")
splitString := strings.Split(configName, "_")
if len(splitString) < 2 || len(splitString) > 3 {
return common.Blockchain_BLOCKCHAIN_UNKNOWN, common.Network_NETWORK_UNKNOWN, api.SideChain_SIDECHAIN_NONE, xerrors.Errorf("config name is invalid: %v", configName)
}
blockchainName := splitString[0]
blockchain, err := utils.ParseBlockchain(blockchainName)
if err != nil {
return common.Blockchain_BLOCKCHAIN_UNKNOWN, common.Network_NETWORK_UNKNOWN, api.SideChain_SIDECHAIN_NONE, xerrors.Errorf("failed to parse blockchain from config name %v: %w", configName, err)
}
networkName := fmt.Sprintf("%v_%v", splitString[0], splitString[1])
network, err := utils.ParseNetwork(networkName)
if err != nil {
return common.Blockchain_BLOCKCHAIN_UNKNOWN, common.Network_NETWORK_UNKNOWN, api.SideChain_SIDECHAIN_NONE, xerrors.Errorf("failed to parse network from config name %v: %w", configName, err)
}
if len(splitString) == 3 {
sidechainName := fmt.Sprintf("%v_%v_%v", splitString[0], splitString[1], splitString[2])
sidechain, err := utils.ParseSidechain(sidechainName)
if err != nil {
return common.Blockchain_BLOCKCHAIN_UNKNOWN, common.Network_NETWORK_UNKNOWN, api.SideChain_SIDECHAIN_NONE, xerrors.Errorf("failed to parse sidechain from config name %v: %w", configName, err)
}
return blockchain, network, sidechain, nil
}
return blockchain, network, api.SideChain_SIDECHAIN_NONE, nil
}
func getConfigData(namespace string, env Env, blockchain common.Blockchain, network common.Network, sidechain api.SideChain) (io.Reader, error) {
blockchainName := blockchain.GetName()
networkName := strings.TrimPrefix(network.GetName(), blockchainName+"-")
sidechainName := strings.TrimPrefix(sidechain.GetName(), blockchainName+"-"+networkName+"-")
configRoot := GetConfigRoot()
if env == envSecrets {
// .secrets.yml is intentionally not embedded in config.Store.
// Read it from the file system instead.
// If configRoot is not set, use the default path.
if len(configRoot) == 0 {
_, filename, _, ok := runtime.Caller(0)
if !ok {
return nil, xerrors.Errorf("failed to recover the filename information")
}
rootDir := strings.TrimSuffix(filename, CurrentFileName)
configRoot = fmt.Sprintf("%v/config", rootDir)
}
configPath := fmt.Sprintf("%v/%v/%v/%v/.secrets.yml", configRoot, namespace, blockchainName, networkName)
if sidechain != api.SideChain_SIDECHAIN_NONE {
configPath = fmt.Sprintf("%v/%v/%v/%v/%v/.secrets.yml", configRoot, namespace, blockchainName, networkName, sidechainName)
}
reader, err := os.Open(configPath)
if err != nil {
return nil, xerrors.Errorf("failed to read config file %v: %w", configPath, err)
}
return reader, nil
}
configPath := GetConfigPath()
// If configPath is not set, try to construct the file system path from configRoot.
if len(configPath) == 0 && len(configRoot) > 0 {
configPath = fmt.Sprintf("%v/%v/%v/%v/%v.yml", configRoot, namespace, blockchainName, networkName, env)
if sidechain != api.SideChain_SIDECHAIN_NONE {
configPath = fmt.Sprintf("%v/%v/%v/%v/%v/%v.yml", configRoot, namespace, blockchainName, networkName, sidechainName, env)
}
}
// If either configRoot or configPath is set, read the config from the file system.
if len(configPath) > 0 {
reader, err := os.Open(configPath)
if err != nil {
return nil, xerrors.Errorf("failed to read config file %v: %w", configPath, err)
}
return reader, nil
}
// Read the config from the embedded config.Store.
configPath = fmt.Sprintf("%v/%v/%v/%v.yml", namespace, blockchainName, networkName, env)
if sidechain != api.SideChain_SIDECHAIN_NONE {
configPath = fmt.Sprintf("%v/%v/%v/%v/%v.yml", namespace, blockchainName, networkName, sidechainName, env)
}
data, err := config.Store.ReadFile(configPath)
if err != nil {
return nil, xerrors.Errorf("failed to read config file %v: %w", configPath, err)
}
return bytes.NewBuffer(data), nil
}
func keysWithoutUnspecified[V interface{}](m map[string]V) []string {
var keys []string
for k := range m {
if k != "UNSPECIFIED" {
keys = append(keys, k)
}
}
return keys
}
func stringToBlobStorageTypeHookFunc() mapstructure.DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String {
return data, nil
}
if t != reflect.TypeOf(BlobStorageType_UNSPECIFIED) {
return data, nil
}
v, ok := BlobStorageType_value[data.(string)]
if !ok {
return nil, xerrors.Errorf(
"invalid blob storage type: %v, possible values are: %v",
data, strings.Join(keysWithoutUnspecified(BlobStorageType_value), ", "))
}
return v, nil
}
}
func stringToMetaStorageTypeHookFunc() mapstructure.DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String {
return data, nil
}
if t != reflect.TypeOf(MetaStorageType_UNSPECIFIED) {
return data, nil
}
v, ok := MetaStorageType_value[data.(string)]
if !ok {
return nil, xerrors.Errorf(
"invalid blob storage type: %v, possible values are: %v",
data, strings.Join(keysWithoutUnspecified(MetaStorageType_value), ", "))
}
return v, nil
}
}
func stringToDLQTypeHookFunc() mapstructure.DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data interface{}) (interface{}, error) {
if f.Kind() != reflect.String {
return data, nil
}
if t != reflect.TypeOf(DLQType_UNSPECIFIED) {
return data, nil
}
v, ok := DLQType_value[data.(string)]
if !ok {
return nil, xerrors.Errorf(
"invalid dlq type: %v, possible values are: %v",
data, strings.Join(keysWithoutUnspecified(DLQType_value), ", "))
}
return v, nil
}
}
func stringToBlockchainHookFunc() mapstructure.DecodeHookFunc {
return func(f reflect.Type, t reflect.Type, data any) (any, error) {
if f.Kind() != reflect.String {
return data, nil
}
if t != reflect.TypeOf(common.Blockchain_BLOCKCHAIN_UNKNOWN) {