mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
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eb9c82b581
Former-commit-id: 0ba99518af6187fc0711a00748af2e32cbbf5108 [formerly 0db02c5e354fc61ab7468dfc7bff3821ee8926f8] Former-commit-id: 2defc15718fbffbd4d10a1f32f02a75637493016
93 lines
2.8 KiB
Go
93 lines
2.8 KiB
Go
package sharding
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import (
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"log"
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto/sha3"
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"github.com/ethereum/go-ethereum/rlp"
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)
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// Hash returns the hash of a collation's entire contents. Useful for comparison tests.
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func (c *Collation) Hash() (hash common.Hash) {
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hw := sha3.NewKeccak256()
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rlp.Encode(hw, c)
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hw.Sum(hash[:0])
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return hash
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}
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func TestShard_ValidateShardID(t *testing.T) {
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emptyHash := common.StringToHash("")
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emptyAddr := common.StringToAddress("")
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header := NewCollationHeader(big.NewInt(1), &emptyHash, big.NewInt(1), &emptyAddr, []byte{})
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shardDB := makeShardKV()
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shard := MakeShard(big.NewInt(3), shardDB)
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if err := shard.ValidateShardID(header); err == nil {
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t.Errorf("ShardID validation incorrect. Function should throw error when ShardID's do not match. want=%d. got=%d", header.ShardID().Int64(), shard.ShardID().Int64())
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}
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header2 := NewCollationHeader(big.NewInt(100), &emptyHash, big.NewInt(1), &emptyAddr, []byte{})
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shard2 := MakeShard(big.NewInt(100), shardDB)
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if err := shard2.ValidateShardID(header2); err != nil {
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t.Errorf("ShardID validation incorrect. Function should not throw error when ShardID's match. want=%d. got=%d", header2.ShardID().Int64(), shard2.ShardID().Int64())
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}
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}
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func TestShard_HeaderByHash(t *testing.T) {
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emptyHash := common.StringToHash("")
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emptyAddr := common.StringToAddress("")
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header := NewCollationHeader(big.NewInt(1), &emptyHash, big.NewInt(1), &emptyAddr, []byte{})
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shardDB := makeShardKV()
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shard := MakeShard(big.NewInt(1), shardDB)
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if err := shard.SaveHeader(header); err != nil {
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t.Fatalf("cannot save collation header: %v", err)
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}
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hash := header.Hash()
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dbHeader, err := shard.HeaderByHash(&hash)
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if err != nil {
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t.Fatalf("could not fetch collation header by hash: %v", err)
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}
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// Compare the hashes.
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if header.Hash() != dbHeader.Hash() {
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t.Errorf("headers do not match. want=%v. got=%v", header, dbHeader)
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}
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}
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func TestShard_CollationByHash(t *testing.T) {
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emptyAddr := common.StringToAddress("")
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// Empty chunk root.
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header := NewCollationHeader(big.NewInt(1), nil, big.NewInt(1), &emptyAddr, []byte{})
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collation := &Collation{
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header: header,
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body: []byte{1, 2, 3},
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}
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// We set the chunk root.
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collation.SetChunkRoot()
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shardDB := makeShardKV()
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shard := MakeShard(big.NewInt(1), shardDB)
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if err := shard.SaveCollation(collation); err != nil {
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t.Fatalf("cannot save collation: %v", err)
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}
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hash := collation.Header().Hash()
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log.Printf("header hash: %v", hash)
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dbCollation, err := shard.CollationByHash(&hash)
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if err != nil {
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t.Fatalf("could not fetch collation by hash: %v", err)
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}
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// Compare the hashes.
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if collation.Hash() != dbCollation.Hash() {
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t.Errorf("collations do not match. want=%v. got=%v", collation, dbCollation)
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}
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}
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