core/types/block-randomness.go


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// Copyright 2018 The dexon-consensus Authors
// This file is part of the dexon-consensus library.
//
// The dexon-consensus library is free software: you can redistribute it
// and/or modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation, either version 3 of the License,
// or (at your option) any later version.
//
// The dexon-consensus library is distributed in the hope that it will be
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
// General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the dexon-consensus library. If not, see
// <http://www.gnu.org/licenses/>.

package types

import (
    "encoding/hex"
    "fmt"

    "gitlab.com/byzantine-lab/tangerine-consensus/common"
)

// AgreementResult describes an agremeent result.
type AgreementResult struct {
    BlockHash    common.Hash `json:"block_hash"`
    Position     Position    `json:"position"`
    Votes        []Vote      `json:"votes"`
    IsEmptyBlock bool        `json:"is_empty_block"`
    Randomness   []byte      `json:"randomness"`
}

func (r *AgreementResult) String() string {
    if len(r.Randomness) == 0 {
        return fmt.Sprintf("agreementResult{Block:%s Pos:%s}",
            r.BlockHash.String()[:6], r.Position)
    }
    return fmt.Sprintf("agreementResult{Block:%s Pos:%s Rand:%s}",
        r.BlockHash.String()[:6], r.Position,
        hex.EncodeToString(r.Randomness)[:6])
}