v2.5.8-stable (#11041)

* add more tx tests (#11038)
* Fix parallel transactions race-condition (#10995)
* Add blake2_f precompile (#11017)
* [trace] introduce trace failed to Ext (#11019)
* Edit publish-onchain.sh to use https (#11016)
* Fix deadlock in network-devp2p (#11013)
* EIP 1108: Reduce alt_bn128 precompile gas costs (#11008)
* xDai chain support and nodes list update (#10989)
* EIP 2028: transaction gas lowered from 68 to 16 (#10987)
* EIP-1344 Add CHAINID op-code (#10983)
* manual publish jobs for releases, no changes for nightlies (#10977)
* [blooms-db] Fix benchmarks (#10974)
* Verify transaction against its block during import (#10954)
* Better error message for rpc gas price errors (#10931)
* tx-pool: accept local tx with higher gas price when pool full (#10901)
* Fix fork choice (#10837)
* Cleanup unused vm dependencies (#10787)
* Fix compilation on recent nightlies (#10991)

ethcore/src/ethereum/mod.rs

@@ -57,6 +57,11 @@ pub fn new_poanet<'a, T: Into<SpecParams<'a>>>(params: T) -> Spec {
 	load(params.into(), include_bytes!("../../res/ethereum/poacore.json"))
 }
 
+/// Create a new xDai chain spec.
+pub fn new_xdai<'a, T: Into<SpecParams<'a>>>(params: T) -> Spec {
+        load(params.into(), include_bytes!("../../res/ethereum/xdai.json"))
+}
+
 /// Create a new Volta mainnet chain spec.
 pub fn new_volta<'a, T: Into<SpecParams<'a>>>(params: T) -> Spec {
 	load(params.into(), include_bytes!("../../res/ethereum/volta.json"))