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EntryAddFederatedServer.go
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EntryAddFederatedServer.go
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package adminBlock
import (
"fmt"
"os"
"github.com/FactomProject/factomd/common/constants"
"github.com/FactomProject/factomd/common/interfaces"
"github.com/FactomProject/factomd/common/primitives"
)
// DB Signature Entry -------------------------
type AddFederatedServer struct {
AdminIDType uint32 `json:"adminidtype"`
IdentityChainID interfaces.IHash `json:"identitychainid"`
DBHeight uint32 `json:"dbheight"`
}
var _ interfaces.IABEntry = (*AddFederatedServer)(nil)
var _ interfaces.BinaryMarshallable = (*AddFederatedServer)(nil)
func (e *AddFederatedServer) Init() {
if e.IdentityChainID == nil {
e.IdentityChainID = primitives.NewZeroHash()
}
e.AdminIDType = uint32(e.Type())
}
func (e *AddFederatedServer) String() string {
e.Init()
var out primitives.Buffer
out.WriteString(fmt.Sprintf(" E: %35s -- %17s %8x %12s %8d",
"AddFedServer",
"IdentityChainID", e.IdentityChainID.Bytes()[3:6],
"DBHeight",
e.DBHeight))
return (string)(out.DeepCopyBytes())
}
func (c *AddFederatedServer) UpdateState(state interfaces.IState) error {
c.Init()
if c.DBHeight == 1 {
//use the bootstrap identity for the process list following the genesis block
id := state.GetNetworkBootStrapIdentity()
state.AddFedServer(c.DBHeight, id)
} else {
state.AddFedServer(c.DBHeight, c.IdentityChainID)
}
authorityDeltaString := fmt.Sprintf("AdminBlock (AddFedMsg DBHt: %d) \n ^ %s", c.DBHeight, c.IdentityChainID.String()[5:10])
state.AddStatus(authorityDeltaString)
state.AddAuthorityDelta(authorityDeltaString)
state.UpdateAuthorityFromABEntry(c)
return nil
}
// Create a new DB Signature Entry
func NewAddFederatedServer(identityChainID interfaces.IHash, dbheight uint32) (e *AddFederatedServer) {
if identityChainID == nil {
return nil
}
e = new(AddFederatedServer)
e.DBHeight = dbheight
e.IdentityChainID = primitives.NewHash(identityChainID.Bytes())
return
}
func (e *AddFederatedServer) Type() byte {
return constants.TYPE_ADD_FED_SERVER
}
func (e *AddFederatedServer) MarshalBinary() (rval []byte, err error) {
defer func(pe *error) {
if *pe != nil {
fmt.Fprintf(os.Stderr, "AddFederatedServer.MarshalBinary err:%v", *pe)
}
}(&err)
e.Init()
var buf primitives.Buffer
err = buf.PushByte(e.Type())
if err != nil {
return nil, err
}
err = buf.PushBinaryMarshallable(e.IdentityChainID)
if err != nil {
return nil, err
}
err = buf.PushUInt32(e.DBHeight)
if err != nil {
return nil, err
}
return buf.DeepCopyBytes(), nil
}
func (e *AddFederatedServer) UnmarshalBinaryData(data []byte) ([]byte, error) {
buf := primitives.NewBuffer(data)
b, err := buf.PopByte()
if b != e.Type() {
return nil, fmt.Errorf("Invalid Entry type")
}
e.IdentityChainID = new(primitives.Hash)
err = buf.PopBinaryMarshallable(e.IdentityChainID)
if err != nil {
return nil, err
}
e.DBHeight, err = buf.PopUInt32()
if err != nil {
return nil, err
}
return buf.DeepCopyBytes(), nil
}
func (e *AddFederatedServer) UnmarshalBinary(data []byte) (err error) {
_, err = e.UnmarshalBinaryData(data)
return
}
func (e *AddFederatedServer) JSONByte() ([]byte, error) {
e.AdminIDType = uint32(e.Type())
return primitives.EncodeJSON(e)
}
func (e *AddFederatedServer) JSONString() (string, error) {
e.AdminIDType = uint32(e.Type())
return primitives.EncodeJSONString(e)
}
func (e *AddFederatedServer) IsInterpretable() bool {
return false
}
func (e *AddFederatedServer) Interpret() string {
return ""
}
func (e *AddFederatedServer) Hash() (rval interfaces.IHash) {
defer func() { rval = primitives.CheckNil(rval, "AddFederatedServer.Hash") }()
bin, err := e.MarshalBinary()
if err != nil {
panic(err)
}
return primitives.Sha(bin)
}