test_lnrouter: Pull in chain_hash from constants
test_lnrouter: Pull in chain_hash from constants

spesmilo/electrum,wakiyamap/electrum-mona,wakiyamap/electrum-mona,pooler/electrum-ltc,spesmilo/electrum,pooler/electrum-ltc,spesmilo/electrum,vialectrum/vialectrum,vialectrum/vialectrum,wakiyamap/electrum-mona,spesmilo/electrum,vialectrum/vialectrum,pooler/electrum-ltc,wakiyamap/electrum-mona,pooler/electrum-ltc