feat: add invoice view functions and fee_paid event test - #643

feat: add invoice view functions and fee_paid event test#643

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Stellar-split:mainStellar-split/split-contracts:mainfrom

fejilaup-cloud:implement/issues-587-590-view-functions-and-testsfejilaup-cloud/split-contracts:implement/issues-587-590-view-functions-and-testsCopy head branch name to clipboard