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Add variables to clarify example contracts

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This commit is contained in:
Rob Mulholand 2019-03-06 10:54:08 -06:00
parent 1414779d52
commit 5d0467f4b8
1 changed files with 6 additions and 3 deletions
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9
libraries/shared/storage/mappings_test.go
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@ -12,7 +12,7 @@ var _ = Describe("Mappings", func() {
It("returns the storage key for a mapping when passed the mapping's index on the contract and the desired value's key", func() {
// ex. solidity:
// mapping (bytes32 => uint) public amounts
// pass in the index of the mapping on the contract + the bytes32 key for the uint val being looked up
// to access amounts, pass in the index of the mapping on the contract + the bytes32 key for the uint val being looked up
indexOfMappingOnContract := storage.IndexZero
keyForDesiredValueInMapping := "1234567890abcdef"
@ -26,8 +26,9 @@ var _ = Describe("Mappings", func() {
Describe("GetNestedMapping", func() {
It("returns the storage key for a nested mapping when passed the mapping's index on the contract and the desired value's keys", func() {
// ex. solidity:
// mapping (bytes32 => uint) public amounts
// mapping (address => mapping (uint => bytes32)) public addressNames
// pass in the index of the mapping on the contract + the address and uint keys for the bytes32 val being looked up
// to access addressNames, pass in the index of the mapping on the contract + the address and uint keys for the bytes32 val being looked up
indexOfMappingOnContract := storage.IndexOne
keyForOuterMapping := "1234567890abcdef"
keyForInnerMapping := "123"
@ -42,12 +43,14 @@ var _ = Describe("Mappings", func() {
Describe("GetIncrementedKey", func() {
It("returns the storage key for later values sharing an index on the contract with other earlier values", func() {
// ex. solidity:
// mapping (bytes32 => uint) public amounts
// mapping (address => mapping (uint => bytes32)) public addressNames
// struct Data {
// uint256 quantity;
// uint256 quality;
// }
// mapping (bytes32 => Data) public itemData;
// pass in the storage key for the zero-indexed value ("quantity") + the number of increments required.
// to access quality from itemData, pass in the storage key for the zero-indexed value (quantity) + the number of increments required.
// (For "quality", we must increment the storage key for the corresponding "quantity" by 1).
indexOfMappingOnContract := storage.IndexTwo
keyForDesiredValueInMapping := "1234567890abcdef"