implement: 0X08 - ADDMOD

[LucasLvy]

SINCE GROUP
Frontier Stop and Arithmetic Operations
Reproduce in playground.

Error cases

The state changes done by the current context are reverted in those cases:

• Not enough gas.
• Not enough values on the stack.

SINCE GROUP Frontier Stop and Arithmetic Operations Index 1 is top of the stack. See PUSH.

Notes

All values are treated as two’s complement signed 256-bit integers. Note the overflow semantic when −2255 is negated.

Stack input

a: integer. b: integer. c: integer.

Stack output

a + b % c: integer result of the addition integer modulo.

Examples

Reproduce in playground.

Error cases

The state changes done by the current context are reverted in those cases:

• Not enough gas.
• Not enough values on the stack.