`Decentralized File Storage.`

What has been added by myself

In DStorage.sol: modifier verifiesHash(string memory _fileHash) to verify that file hash is 32 bytes & base58
StringUtils.sol: getCharsAt() retrieve a char in a string
tests:
- getCharsAt() returns correct chars
- modifier verifiesHash(string memory _fileHash) works

Name		Name	Last commit message	Last commit date
Latest commit History 7 Commits
migrations		migrations
src		src
test		test
.babelrc		.babelrc
.env_example		.env_example
.gitignore		.gitignore
.prettierrc.json		.prettierrc.json
README.md		README.md
package-lock.json		package-lock.json
package.json		package.json
truffle-config.js		truffle-config.js