vRAM 入门¶

       _____            __  __ 
      |  __ \     /\   |  \/  |
__   _| |__) |   /  \  | \  / |
\ \ / /  _  /   / /\ \ | |\/| |
 \ V /| | \ \  / ____ \| |  | |
  \_/ |_|  \_\/_/    \_\_|  |_|
            

先决条件¶

Unbox 模板¶

zeus unbox vram-getting-started

添加合约逻辑¶

in contract/eos/mycontract/mycontract.cpp

/* TODO */

添加合约测试¶

in tests/mycontract.spec.js

// TODO

编译和测试¶

zeus test

部署合约¶

export EOS_ENDPOINT=https://kylin-dsp-1.liquidapps.io
# 购买 RAM:
cleos -u $EOS_ENDPOINT system buyram $KYLIN_TEST_ACCOUNT $KYLIN_TEST_ACCOUNT "50.0000 EOS" -p $KYLIN_TEST_ACCOUNT@active
# Set contract code and abi
cleos -u $EOS_ENDPOINT set contract $KYLIN_TEST_ACCOUNT ../contract -p $KYLIN_TEST_ACCOUNT@active

# 设置合约权限
cleos -u $EOS_ENDPOINT set account permission $KYLIN_TEST_ACCOUNT active "{\"threshold\":1,\"keys\":[{\"weight\":1,\"key\":\"$KYLIN_TEST_PUBLIC_KEY\"}],\"accounts\":[{\"permission\":{\"actor\":\"$KYLIN_TEST_ACCOUNT\",\"permission\":\"eosio.code\"},\"weight\":1}]}" owner -p $KYLIN_TEST_ACCOUNT@active

# TBD: 
#   zeus import key $KYLIN_TEST_ACCOUNT $KYLIN_TEST_PRIVATE_KEY
#   zeus create contract-deployment contractcode $KYLIN_TEST_ACCOUNT
#   zeus migrate --network=kylin

选择 DSP 服务包并抵押 DAPP 代币¶

export PROVIDER=uuddlrlrbass
export PACKAGE_ID=package1
export MY_ACCOUNT=$KYLIN_TEST_ACCOUNT

# 选择服务包: 
export SERVICE=ipfsservice1
cleos -u $EOS_ENDPOINT push action dappservices selectpkg "[\"$MY_ACCOUNT\",\"$PROVIDER\",\"$SERVICE\",\"$PACKAGE_ID\"]" -p $MY_ACCOUNT@active

# 抵押 DAPP 代币，选择合适的服务包:
cleos -u $EOS_ENDPOINT push action dappservices stake "[\"$MY_ACCOUNT\",\"$PROVIDER\",\"$SERVICE\",\"50.0000 DAPP\"]" -p $MY_ACCOUNT@active

服务包及抵押

测试¶

最后，您现在可以通过 DSP 的 API 端口发送操作指令(action)来测试 vRAM 的实现

cleos -u $EOS_ENDPOINT push action $KYLIN_TEST_ACCOUNT youraction1 "[\"param1\",\"param2\"]" -p $KYLIN_TEST_ACCOUNT@active

结果类似

executed transaction: 865a3779b3623eab94aa2e2672b36dfec9627c2983c379717f5225e43ac2b74a  104 bytes  67049 us
#  yourcontract <= yourcontract::youraction1         {"param1":"param1","param2":"param2"}
>> {"version":"1.0","etype":"service_request","payer":"yourcontract","service":"ipfsservice1","action":"commit","provider":"","data":"DH......"}