common/registrar/ethreg/ethreg.go


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package ethreg

import (
    "math/big"

    "github.com/ethereum/go-ethereum/common/registrar"
    "github.com/ethereum/go-ethereum/xeth"
)

// implements a versioned Registrar on an archiving full node
type EthReg struct {
    backend  *xeth.XEth
    registry *registrar.Registrar
}

func New(xe *xeth.XEth) (self *EthReg) {
    self = &EthReg{backend: xe}
    self.registry = registrar.New(xe)
    return
}

func (self *EthReg) Registry() *registrar.Registrar {
    return self.registry
}

func (self *EthReg) Resolver(n *big.Int) *registrar.Registrar {
    xe := self.backend
    if n != nil {
        xe = self.backend.AtStateNum(n.Int64())
    }
    return registrar.New(xe)
}