Prad Nukala 47c3a53080
refactor/internal (#1216)
* refactor: update import paths in gateway handlers

* refactor: remove obsolete devtools Makefile and README

* build: optimize build process for improved efficiency

* refactor: remove obsolete pkl files related to Matrix and Sonr network configurations

* refactor: move embed code to x/dwn/types
2024-12-24 16:10:20 +00:00

35 lines
1.7 KiB
Go

// Package branch contains the core branch service interface.
package branch
import (
"context"
"errors"
)
// ErrGasLimitExceeded is returned when the gas limit is exceeded in a
// Service.ExecuteWithGasLimit call.
var ErrGasLimitExceeded = errors.New("branch: gas limit exceeded")
// Service is the branch service interface. It can be used to execute
// code paths in an isolated execution context that can be reverted.
// A revert typically means a rollback on events and state changes.
type Service interface {
// Execute executes the given function in an isolated context. If the
// `f` function returns an error, the execution is considered failed,
// and every change made affecting the execution context is rolled back.
// If the function returns nil, the execution is considered successful, and
// committed.
// The context.Context passed to the `f` function is a child of the context
// passed to the Execute function, and is what should be used with other
// core services in order to ensure the execution remains isolated.
Execute(ctx context.Context, f func(ctx context.Context) error) error
// ExecuteWithGasLimit executes the given function `f` in an isolated context,
// with the provided gas limit, this is advanced usage and is used to disallow
// an execution path to consume an indefinite amount of gas.
// If the execution fails or succeeds the gas limit is still applied to the
// parent context, the function returns a gasUsed value which is the amount
// of gas used by the execution path. If the execution path exceeds the gas
// ErrGasLimitExceeded is returned.
ExecuteWithGasLimit(ctx context.Context, gasLimit uint64, f func(ctx context.Context) error) (gasUsed uint64, err error)
}