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delegate.go
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delegate.go
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package gateway
import (
"encoding/json"
"github.com/google/uuid"
"github.com/pelletier/go-toml"
"github.com/pkg/errors"
"github.com/smartcontractkit/chainlink/v2/core/chains/evm"
"github.com/smartcontractkit/chainlink/v2/core/logger"
"github.com/smartcontractkit/chainlink/v2/core/services/gateway/config"
"github.com/smartcontractkit/chainlink/v2/core/services/job"
"github.com/smartcontractkit/chainlink/v2/core/services/keystore"
"github.com/smartcontractkit/chainlink/v2/core/services/pg"
)
type Delegate struct {
legacyChains evm.LegacyChainContainer
ks keystore.Eth
lggr logger.Logger
}
var _ job.Delegate = (*Delegate)(nil)
func NewDelegate(legacyChains evm.LegacyChainContainer, ks keystore.Eth, lggr logger.Logger) *Delegate {
return &Delegate{legacyChains: legacyChains, ks: ks, lggr: lggr}
}
func (d *Delegate) JobType() job.Type {
return job.Gateway
}
func (d *Delegate) BeforeJobCreated(spec job.Job) {}
func (d *Delegate) AfterJobCreated(spec job.Job) {}
func (d *Delegate) BeforeJobDeleted(spec job.Job) {}
func (d *Delegate) OnDeleteJob(spec job.Job, q pg.Queryer) error { return nil }
// ServicesForSpec returns the scheduler to be used for running observer jobs
func (d *Delegate) ServicesForSpec(spec job.Job, qopts ...pg.QOpt) (services []job.ServiceCtx, err error) {
if spec.GatewaySpec == nil {
return nil, errors.Errorf("services.Delegate expects a *jobSpec.GatewaySpec to be present, got %v", spec)
}
var gatewayConfig config.GatewayConfig
err2 := json.Unmarshal(spec.GatewaySpec.GatewayConfig.Bytes(), &gatewayConfig)
if err2 != nil {
return nil, errors.Wrap(err2, "unmarshal gateway config")
}
handlerFactory := NewHandlerFactory(d.legacyChains, d.lggr)
gateway, err := NewGatewayFromConfig(&gatewayConfig, handlerFactory, d.lggr)
if err != nil {
return nil, err
}
return []job.ServiceCtx{gateway}, nil
}
func ValidatedGatewaySpec(tomlString string) (job.Job, error) {
var jb = job.Job{ExternalJobID: uuid.New()}
tree, err := toml.Load(tomlString)
if err != nil {
return jb, errors.Wrap(err, "toml error on load")
}
err = tree.Unmarshal(&jb)
if err != nil {
return jb, errors.Wrap(err, "toml unmarshal error on spec")
}
var spec job.GatewaySpec
err = tree.Unmarshal(&spec)
if err != nil {
return jb, errors.Wrap(err, "toml unmarshal error on job")
}
jb.GatewaySpec = &spec
if jb.Type != job.Gateway {
return jb, errors.Errorf("unsupported type %s", jb.Type)
}
return jb, nil
}