4.0.0 com.jd.blockchain jdchain-parent 1.1.4.RELEASE ../project/parent com.jd.blockchain jdchain-samples 1.2.0.RELEASE pom 1.2.0.RELEASE ../framework sdk-samples contract-samples com.jd.blockchain sdk-client ${framework.version} com.jd.blockchain ledger-model ${framework.version} com.jd.blockchain crypto-framework ${framework.version}