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feat(ContractSpec): add JsonSchema method for corresponding JSON schema #171
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willemneal
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Shaptic
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Nov 30, 2023
Co-authored-by: George <Shaptic@users.noreply.github.com>
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@willemneal is this RFR? I haven't given it a proper look because it's in Draft. Also, can you target the |
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I want it to be, but should I move it to js-stellar-sdk? If so which branch should I target there? Is it compatible with testnet? |
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@willemneal sorry for the delay. Yeah SDK might be better just so that we don't need to port it over later. There's a |
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This will allow tooling like react forms to use the JSON schema to generate UI that is valid for the ContractSpec's encoding of args.
This is also useful validating inputs before encoding JS to XDR.
For reference here is the kitchen sink example from our tests:
{ "$schema": "http://json-schema.org/draft-07/schema#", "definitions": { "U64": { "type": "string", "pattern": "^[0-9]+$", "minLength": 1, "maxLength": 20 }, "I64": { "type": "string", "pattern": "^-?^[0-9]+$", "minLength": 1, "maxLength": 21 }, "U32": { "type": "integer", "minimum": 0, "maximum": 4294967295 }, "I32": { "type": "integer", "minimum": -2147483648, "maximum": 2147483647 }, "U128": { "type": "string", "pattern": "^[0-9]+$", "minLength": 1, "maxLength": 39 }, "I128": { "type": "string", "pattern": "^-?[0-9]+$", "minLength": 1, "maxLength": 40 }, "U256": { "type": "string", "pattern": "^[0-9]+$", "minLength": 1, "maxLength": 78 }, "I256": { "type": "string", "pattern": "^-?[0-9]+$", "minLength": 1, "maxLength": 79 }, "Address": { "type": "string", "description": "Address can be a public key or contract id" }, "ScString": { "type": "string", "description": "ScString is a string" }, "ScSymbol": { "type": "string", "description": "ScString is a string" }, "DataUrl": { "type": "string", "format": "data-url" }, "Test": { "description": "This is from the rust doc above the struct Test", "properties": { "a": { "$ref": "#/definitions/U32" }, "b": { "type": "boolean" }, "c": { "$ref": "#/definitions/ScSymbol" }, "additionalProperties": false }, "required": [ "a", "b", "c" ], "type": "object" }, "SimpleEnum": { "oneOf": [ { "tag": "First" }, { "tag": "Second" }, { "tag": "Third" } ] }, "RoyalCard": { "oneOf": [ { "description": "", "title": "Jack", "enum": [ 11 ], "type": "number" }, { "description": "", "title": "Queen", "enum": [ 12 ], "type": "number" }, { "description": "", "title": "King", "enum": [ 13 ], "type": "number" } ] }, "TupleStruct": { "description": "", "properties": { "0": { "$ref": "#/definitions/Test" }, "1": { "$ref": "#/definitions/SimpleEnum" }, "additionalProperties": false }, "required": [ "0", "1" ], "type": "object" }, "ComplexEnum": { "oneOf": [ { "tag": "Struct", "values": [ { "$ref": "#/definitions/Test" } ] }, { "tag": "Tuple", "values": [ { "$ref": "#/definitions/TupleStruct" } ] }, { "tag": "Enum", "values": [ { "$ref": "#/definitions/SimpleEnum" } ] }, { "tag": "Asset", "values": [ { "$ref": "#/definitions/Address" }, { "$ref": "#/definitions/I128" } ] }, { "tag": "Void" } ] }, "hello": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "hello": { "$ref": "#/definitions/ScSymbol" } }, "type": "object", "required": [ "hello" ] } } }, "woid": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": {}, "type": "object" } } }, "val": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": {}, "type": "object" } } }, "u32_fail_on_even": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "u32_": { "$ref": "#/definitions/U32" } }, "type": "object", "required": [ "u32_" ] } } }, "u32_": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "u32_": { "$ref": "#/definitions/U32" } }, "type": "object", "required": [ "u32_" ] } } }, "i32_": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "i32_": { "$ref": "#/definitions/I32" } }, "type": "object", "required": [ "i32_" ] } } }, "i64_": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "i64_": { "$ref": "#/definitions/I64" } }, "type": "object", "required": [ "i64_" ] } } }, "strukt_hel": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "strukt": { "$ref": "#/definitions/Test" } }, "type": "object", "required": [ "strukt" ] } }, "description": "Example contract method which takes a struct" }, "strukt": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "strukt": { "$ref": "#/definitions/Test" } }, "type": "object", "required": [ "strukt" ] } } }, "simple": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "simple": { "$ref": "#/definitions/SimpleEnum" } }, "type": "object", "required": [ "simple" ] } } }, "complex": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "complex": { "$ref": "#/definitions/ComplexEnum" } }, "type": "object", "required": [ "complex" ] } } }, "addresse": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "addresse": { "$ref": "#/definitions/Address" } }, "type": "object", "required": [ "addresse" ] } } }, "bytes": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "bytes": { "$ref": "#/definitions/DataUrl" } }, "type": "object", "required": [ "bytes" ] } } }, "bytes_n": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "bytes_n": { "$ref": "#/definitions/DataUrl", "maxLength": 9 } }, "type": "object", "required": [ "bytes_n" ] } } }, "card": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "card": { "$ref": "#/definitions/RoyalCard" } }, "type": "object", "required": [ "card" ] } } }, "boolean": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "boolean": { "type": "boolean" } }, "type": "object", "required": [ "boolean" ] } } }, "not": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "boolean": { "type": "boolean" } }, "type": "object", "required": [ "boolean" ] } }, "description": "Negates a boolean value" }, "i128": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "i128": { "$ref": "#/definitions/I128" } }, "type": "object", "required": [ "i128" ] } } }, "u128": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "u128": { "$ref": "#/definitions/U128" } }, "type": "object", "required": [ "u128" ] } } }, "multi_args": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "a": { "$ref": "#/definitions/U32" }, "b": { "type": "boolean" } }, "type": "object", "required": [ "a", "b" ] } } }, "map": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "map": { "type": "object", "patternProperties": { "^[a-zA-Z0-9]+$": { "type": "boolean" } }, "additionalProperties": false } }, "type": "object", "required": [ "map" ] } } }, "vec": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "vec": { "type": "array", "items": { "$ref": "#/definitions/U32" } } }, "type": "object", "required": [ "vec" ] } } }, "tuple": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "tuple": { "type": "array", "items": [ { "$ref": "#/definitions/ScSymbol" }, { "$ref": "#/definitions/U32" } ], "minItems": 2, "maxItems": 2 } }, "type": "object", "required": [ "tuple" ] } } }, "option": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "option": { "$ref": "#/definitions/U32" } }, "type": "object" } }, "description": "Example of an optional argument" }, "u256": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "u256": { "$ref": "#/definitions/U256" } }, "type": "object", "required": [ "u256" ] } } }, "i256": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "i256": { "$ref": "#/definitions/I256" } }, "type": "object", "required": [ "i256" ] } } }, "string": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "string": { "$ref": "#/definitions/ScString" } }, "type": "object", "required": [ "string" ] } } }, "tuple_strukt": { "additionalProperties": false, "contractMethod": "view", "properties": { "args": { "additionalProperties": false, "properties": { "tuple_strukt": { "$ref": "#/definitions/TupleStruct" } }, "type": "object", "required": [ "tuple_strukt" ] } } } } }