cosmwasm-std 0.12.0

Standard library for Wasm based smart contracts on Cosmos blockchains
Documentation
{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Env",
  "type": "object",
  "required": [
    "block",
    "contract"
  ],
  "properties": {
    "block": {
      "$ref": "#/definitions/BlockInfo"
    },
    "contract": {
      "$ref": "#/definitions/ContractInfo"
    }
  },
  "definitions": {
    "BlockInfo": {
      "type": "object",
      "required": [
        "chain_id",
        "height",
        "time",
        "time_nanos"
      ],
      "properties": {
        "chain_id": {
          "type": "string"
        },
        "height": {
          "type": "integer",
          "format": "uint64",
          "minimum": 0.0
        },
        "time": {
          "description": "Absolute time of the block creation in seconds since the UNIX epoch (00:00:00 on 1970-01-01 UTC).\n\nThe source of this is the [BFT Time in Tendermint](https://docs.tendermint.com/master/spec/consensus/bft-time.html), converted from nanoseconds to second precision by truncating the fractioal part.",
          "type": "integer",
          "format": "uint64",
          "minimum": 0.0
        },
        "time_nanos": {
          "description": "The fractional part of the block time in nanoseconds since `time` (0 to 999999999). Add this to `time` if you need a high precision block time.\n\n# Examples\n\nUsing chrono:\n\n``` # use cosmwasm_std::{BlockInfo, ContractInfo, Env, HumanAddr, MessageInfo}; # let env = Env { #     block: BlockInfo { #         height: 12_345, #         time: 1_571_797_419, #         time_nanos: 879305533, #         chain_id: \"cosmos-testnet-14002\".to_string(), #     }, #     contract: ContractInfo { #         address: HumanAddr::from(\"contract\"), #     }, # }; # extern crate chrono; use chrono::NaiveDateTime; let dt = NaiveDateTime::from_timestamp(env.block.time as i64, env.block.time_nanos as u32); ```\n\nCreating a simple millisecond-precision timestamp (as used in JavaScript):\n\n``` # use cosmwasm_std::{BlockInfo, ContractInfo, Env, HumanAddr, MessageInfo}; # let env = Env { #     block: BlockInfo { #         height: 12_345, #         time: 1_571_797_419, #         time_nanos: 879305533, #         chain_id: \"cosmos-testnet-14002\".to_string(), #     }, #     contract: ContractInfo { #         address: HumanAddr::from(\"contract\"), #     }, # }; let millis = (env.block.time * 1_000) + (env.block.time_nanos / 1_000_000); ```",
          "type": "integer",
          "format": "uint64",
          "minimum": 0.0
        }
      }
    },
    "ContractInfo": {
      "type": "object",
      "required": [
        "address"
      ],
      "properties": {
        "address": {
          "$ref": "#/definitions/HumanAddr"
        }
      }
    },
    "HumanAddr": {
      "type": "string"
    }
  }
}