Execute Contract

In this section we will execute a purchase by sending funds to the contract instance. The contract will then perform bank transfers to the merchant and fee collection accounts.

To execute a 100purchasecoin purchase with an ID of 12345, run using the merchant address from earlier

shell
provenanced tx wasm execute \\
    tp14hj2tavq8fpesdwxxcu44rty3hh90vhujrvcmstl4zr3txmfvw9s96lrg8 \\
    '{"purchase":{"id":"12345"}}' \\
    --amount 100purchasecoin \\
    --from consumer \\
    --keyring-backend test \\
    --home build/run/provenanced \\
    --chain-id testing \\
    --gas auto \\
    --gas-prices="1905nhash" \\
	--gas-adjustment=1.5 \\
    --yes \\
    --testnet \\
	--output json | jq

To ensure the transfers were sent successfully, first query the merchant account

shell
provenanced query bank balances "$merchant" -t -o json | jq

This should show that the merchant has increased by 90purchasecoin

json
{
  "balances": [
    {
      "denom": "nhash",
      "amount": "200000000000"
    },
    {
      "denom": "purchasecoin",
      "amount": "90"
    }
  ],
  "pagination": {
    "next_key": null,
    "total": "0"
  }
}

Then, query the feebucket account

shell
provenanced query bank balances "$feebucket" -t -o json | jq

This should show that the feebucket account has increased by 10purchasecoin

json
{
  "balances": [
    {
      "denom": "nhash",
      "amount": "155863718470"
    },
    {
      "denom": "purchasecoin",
      "amount": "10"
    }
  ],
  "pagination": {
    "next_key": null,
    "total": "0"
  }
}

Finally, query the consumer account

shell
provenanced query bank balances "$consumer" -t -o json | jq

This should show that it has decreased by 100purchasecoin

json
{
  "balances": [
    {
      "denom": "nhash",
      "amount": "199462148015"
    },
    {
      "denom": "purchasecoin",
      "amount": "99900"
    }
  ],
  "pagination": {
    "next_key": null,
    "total": "0"
  }
}

Up Next

The smart contract has been verified to be deployed and working. This concludes Part 2 of the tutorial. Proceed to the Migrate section for information on how to upgrade smart contracts.