| 1 | const ADDRESS_PREFIX = "a0";
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| 2 | const ADDRESS_SIZE = 42;
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| 3 |
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| 4 |
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| 5 | function isAddressValid(address) {
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| 6 |
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| 7 | if (!address || address.length === 0) {
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| 8 | return false;
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| 9 | }
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| 10 |
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| 11 | if (address.length !== ADDRESS_SIZE) {
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| 12 | return false;
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| 13 | }
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| 14 |
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| 15 | if (address.substr(0, 2).toUpperCase() !== ADDRESS_PREFIX.toUpperCase()) {
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| 16 | return false;
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| 17 | }
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| 18 |
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| 19 | return true;
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| 20 | }
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| 21 |
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| 22 | module.exports = {
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| 23 | isAddressValid,
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| 24 | };
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