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authorPéter Szilágyi <peterke@gmail.com>2016-07-09 01:59:11 +0800
committerPéter Szilágyi <peterke@gmail.com>2016-07-15 21:52:55 +0800
commit7f00e8c0331bf13739e749bab88bf9006ca02f96 (patch)
tree80205e861b7c510a2d3d6e432bed09badfef57fa /core
parenta87089fd2dc08a69a4a4f1ef93db9a2871d819a3 (diff)
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core, eth: enforce network split post DAO hard-fork
Diffstat (limited to 'core')
-rw-r--r--core/block_validator.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/core/block_validator.go b/core/block_validator.go
index 73d581328..3b597310e 100644
--- a/core/block_validator.go
+++ b/core/block_validator.go
@@ -248,6 +248,13 @@ func ValidateHeader(config *ChainConfig, pow pow.PoW, header *types.Header, pare
return &BlockNonceErr{header.Number, header.Hash(), header.Nonce.Uint64()}
}
}
+ // If all checks passed, validate the extra-data field for hard forks
+ return ValidateHeaderExtraData(config, header)
+}
+
+// ValidateHeaderExtraData validates the extra-data field of a block header to
+// ensure it conforms to hard-fork rules.
+func ValidateHeaderExtraData(config *ChainConfig, header *types.Header) error {
// DAO hard-fork extension to the header validity: a) if the node is no-fork,
// do not accept blocks in the [fork, fork+10) range with the fork specific
// extra-data set; b) if the node is pro-fork, require blocks in the specific