{
    "definitions": {
        "EmptyString": {
            "type": "string",
            "pattern": "^$"
        },
        "HexData": {
            "description": "Hex data. see https://github.com/ethereum/wiki/wiki/JSON-RPC#hex-value-encoding",
            "pattern": "^0x([0-9a-fA-F][0-9a-fA-F])*$",
            "type": "string"
        },
        "HexQuantity": {
            "description": "Hex quantity. see https://github.com/ethereum/wiki/wiki/JSON-RPC#hex-value-encoding",
            "pattern": "(^0x0$)|(^0x[1-9a-fA-F][0-9a-fA-F]*$)",
            "type": "string"
        },
        "ConfusedHexType": {
            "anyOf": [
                { "$ref": "#/definitions/HexData" },
                { "$ref": "#/definitions/HexQuantity" }
            ]
        },
        "HexDataOrEmpty": {
          "oneOf": [
              { "$ref": "#/definitions/HexData" },
              { "$ref": "#/definitions/EmptyString" }
          ]
        },
        "HexNoPrefix" : {
            "pattern": "^([0-9a-fA-F][0-9a-fA-F])+$",
            "type": "string"
        },
        "HexMaybePrefix": {
            "oneOf": [
                { "$ref": "#/definitions/HexNoPrefix" },
                { "$ref": "#/definitions/HexData" }
            ]
        },
        "HexMaybePrefixOrEmpty": {
          "oneOf": [
              { "$ref": "#/definitions/HexMaybePrefix" },
              {  "$ref": "#/definitions/EmptyString" }
          ]
        },
        "IntegerString": {
            "pattern": "^[0-9]+$",
            "type": "string"
        },
        "IntegerOrEmpty": {
            "oneOf": [
                { "$ref": "#/definitions/IntegerString" },
                { "$ref": "#/definitions/EmptyString" }
            ]
        },
        "IntegerOrNumber": {
            "oneOf": [
                { "$ref": "#/definitions/IntegerString" },
                { "type": "number" }
            ]
        },
        "IntegerOrNumberOrConfusedHex": {
            "oneOf": [
              { "$ref": "#/definitions/IntegerOrNumber" },
              { "$ref": "#/definitions/ConfusedHexType" }
            ]
        },
        "IntegerOrEmptyOrHexQuantity": {
            "oneOf": [
                { "$ref": "#/definitions/IntegerOrEmpty" },
                { "$ref": "#/definitions/HexQuantity" }
            ]
        },
        "IntegerOrHexQuantity": {
            "oneOf": [
                { "$ref": "#/definitions/IntegerString" },
                { "$ref": "#/definitions/HexQuantity" }
            ]
        },
        "IntegerOrConfusedHex": {
            "anyOf": [
              { "$ref": "#/definitions/IntegerString" },
              { "$ref": "#/definitions/ConfusedHexType" }
            ]
        },
        "IntegerOrEmptyOrConfusedHex": {
            "oneOf": [
                { "$ref": "#/definitions/IntegerOrEmpty" },
                { "$ref": "#/definitions/ConfusedHexType" }
            ]
        },
        "PreStateAccount": {
            "type": "object",
            "additionalproperties": true,
            "properties": {
                "balance": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                "code": { "type": "string" },
                "nonce": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                "storage": {
                    "type": "object",
                    "additionalProperties": false,
                    "patternProperties": {
                        "^0x[0-9a-f]+": {
                            "description": "storage key with 0x prefix, just the prefix `0x` is null and thus not permitted, a hex quantity is permitted. for the storage value, only hex data is permitted.",
                            "$ref": "#/definitions/HexData"
                        }
                    }
                }
            },
            "required": [
                "balance",
                "code",
                "nonce"
            ]
        },
        "TxSigR": {
            "oneOf": [
                { "enum" : [ "0" ] }
            ]
        },
        "TxSigS": {
            "oneOf": [
                { "enum" : [ "0" ] }
            ]
        },
        "TxSigV": {
            "description": "a value of 0 is an invalid chainId, but used in a test case",
            "oneOf": [
                { "enum" : [ "0", "1" ] }
            ]
        },
        "HexLen40": {
            "pattern": "^0x[0-9a-fA-F]{40}$",
            "type": "string"
        },
        "HexNoPrefixLen40": {
            "pattern": "^[0-9a-fA-F]{40}$",
            "type": "string"
        },
        "AddressMaybePrefixOrEmpty" : {
            "oneOf": [
                { "$ref": "#/definitions/HexLen40" },
                { "$ref": "#/definitions/HexNoPrefixLen40" },
                { "$ref": "#/definitions/EmptyString" }
            ]
        },
        "Transaction": {
            "type": "object",
            "additionalProperties": true,
            "not": {
              "required": ["r, s, v"]
            },
            "properties": {
                "data": {
                    "items": { "$ref": "#/definitions/HexDataOrEmpty" },
                    "type": "array"
                },
                "gasLimit": {
                    "items": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                    "type": "array"
                },
                "gasPrice": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                "nonce": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                "secretKey": { "$ref": "#/definitions/HexMaybePrefix" },
                "to": { "$ref": "#/definitions/AddressMaybePrefixOrEmpty"},
                "value": {
                    "items": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                    "type": "array"
                }
            },
            "required": [
                "data",
                "gasLimit",
                "gasPrice",
                "nonce",
                "secretKey",
                "to",
                "value"
            ]
        },
        "NullSenderTransaction": {
            "type": "object",
            "additionalProperties": true,
            "not": {
              "required": ["secretKey"]
            },
            "properties": {
                "data": {
                    "items": { "$ref": "#/definitions/HexMaybePrefixOrEmpty" },
                    "type": "array"
                },
                "gasLimit": {
                    "items": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                    "type": "array"
                },
                "gasPrice": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                "nonce": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                "r": { "$ref": "#/definitions/TxSigR" },
                "s": { "$ref": "#/definitions/TxSigS" },
                "to": { "$ref": "#/definitions/AddressMaybePrefixOrEmpty"},
                "v": { "$ref": "#/definitions/TxSigV" },
                "value": {
                    "items": { "$ref": "#/definitions/IntegerOrEmptyOrConfusedHex" },
                    "type": "array"
                }
            },
            "required": [
                "data",
                "gasLimit",
                "gasPrice",
                "nonce",
                "r",
                "s",
                "v",
                "to",
                "value"
            ]
        }
    },
    "patternProperties": {
        "^.*$": {
            "properties": {
                "env": {
                    "additionalproperties": false,
                    "properties": {
                        "currentCoinbase": { "$ref": "#/definitions/HexMaybePrefix" },
                        "currentDifficulty": { "$ref": "#/definitions/IntegerOrConfusedHex" },
                        "currentGasLimit": { "$ref": "#/definitions/IntegerOrConfusedHex" },
                        "currentNumber": { "$ref": "#/definitions/IntegerOrConfusedHex" },
                        "currentTimestamp":  { "$ref": "#/definitions/IntegerOrNumberOrConfusedHex" },
                        "previousHash": { "$ref": "#/definitions/HexMaybePrefix" }
                    },
                    "required": [
                        "currentCoinbase",
                        "currentDifficulty",
                        "currentGasLimit",
                        "currentNumber",
                        "currentTimestamp",
                        "previousHash"
                    ],
                    "type": "object"
                },
                "expect": {},
                "pre": {
                    "additionalProperties": false,
                    "patternProperties": {
                        "^[0-9a-fA-F]{40}": {
                            "description": "filler prestate addresses without 0x prefix",
                            "$ref": "#/definitions/PreStateAccount"
                        },
                        "^0x[0-9a-fA-F]{40}": {
                            "description": "filler prestate addresses with 0x prefix",
                            "$ref": "#/definitions/PreStateAccount"
                        }
                    },
                    "type": "object"
                },
                "transaction": {
                    "oneOf": [
                        { "$ref": "#/definitions/Transaction" },
                        { "$ref": "#/definitions/NullSenderTransaction" }
                    ]
                }
            },
            "type": "object"
        }
    },
    "type": "object"
}